Find the value of the missing number using direct proportion. 1) n:4= 6:2 6) 3/t = 2:8 2) 7:1= 1:5 F 7) y/5 = 4:10 y = 3) 8:2=m:9 m= 8) 1/50 = 2x 4) 3:9= 12-S S= 9) 25:5 =p:8 p = 5) a:18=6:54 a= 10) 49 b = 7:1 b=​