Finding the Fourth Proportional to 5,512,203.60, 8,268,305.40 and 4,095,027.60
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Solution
The fourth proportional to 5,512,203.60, 8,268,305.40 and 4,095,027.60 is: 6,142,541.40
Step by Step Solution
- Step 1: Write the proportion equation
5,512,203.60 : 8,268,305.40 = 4,095,027.60 : x - Step 2: Convert to fraction form
5,512,203.60/8,268,305.40 = 4,095,027.60/x - Step 3: Cross multiply
5,512,203.60x = 8,268,305.40 × 4,095,027.60 - Step 4: Simplify right side
5,512,203.60x = 33,858,938,818,229.04 - Step 5: Solve for x
x = 33,858,938,818,229.04/5,512,203.60 - Step 6: Final answer
x = 6,142,541.40
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Double scale
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.