Management By Baseball explains why knowledge of mathematics is so important to management:
Math is not an essential part of every deicsion you make as a manager, but those techniques and short-cuts are a vital foundation for every decision you make that involve resources, time, budget, sequencing of tasks, personnel assignment, contigency planning and when to give everyone the afternoon off. In short, to be adequate at operational management, you have to have an adequate level of numeracy.
Yet another reason to enjoy math.