University of International Business and Economics 2.in proportion to The blue collars are paid in proportion to the number of hours they work. 3.magnitude of There has been a rapid increase in the magnitude of traffic flow in Beijing for the recent years. 制纤经价蜀易大学 UNIVTRSIT￥￥T月。4L地hE等SAND FCONOMCUniversity of International Business and Economics 2. in proportion to The blue collars are paid ____________ the number of hours they work. in proportion to 3. magnitude of There has been a rapid increase in ______________ traffic flow in Beijing for the recent years. the magnitude of