Finding the Fourth Proportional to 5,055,468.30, 7,583,202.45 and 4,425,612.30
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Solution
The fourth proportional to 5,055,468.30, 7,583,202.45 and 4,425,612.30 is: 6,638,418.45
Step by Step Solution
- Step 1: Write the proportion equation
5,055,468.30 : 7,583,202.45 = 4,425,612.30 : x - Step 2: Convert to fraction form
5,055,468.30/7,583,202.45 = 4,425,612.30/x - Step 3: Cross multiply
5,055,468.30x = 7,583,202.45 × 4,425,612.30 - Step 4: Simplify right side
5,055,468.30x = 33,560,314,036,110.13 - Step 5: Solve for x
x = 33,560,314,036,110.13/5,055,468.30 - Step 6: Final answer
x = 6,638,418.45
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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.