Find fourth proportional of 72 cm,1.2m,60mm
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Step-by-step explanation:
72 cm, 1.2 m, 60 mm, x
72 cm= 720 mm
1.2 m= 1200 mm
60 mm
x mm
720 mm:1200 mm::60 mm:x mm
720/1200=3/5
60:x=60/x
3/5=60/x
x= 1/100
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