Somehow they just know. Every year, I grow tomatoes. And somehow the plants know early in the season what the size of the harvest will be. Temperature, light exposure, precipitation. Nature signals the plant telling it what will come. The bigger the harvest, the bigger the stem to support what will come. The plant grows the infrastructure it needs to support what it will produce. And it is usually spot on.
Business isn’t always as intuitive as nature. Leaders don’t always know how fast to build out the infrastructure of an organization such that it is in place as the business grows and fills in. Sometimes the signals are there, other times they aren’t. The trick is to watch for them and build out the infrastructure to support growth.