Finding the Fourth Proportional to 51,672,138.30, 77,508,207.45 and 22,974,324.30
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Solution
The fourth proportional to 51,672,138.30, 77,508,207.45 and 22,974,324.30 is: 34,461,486.45
Step by Step Solution
- Step 1: Write the proportion equation
51,672,138.30 : 77,508,207.45 = 22,974,324.30 : x - Step 2: Convert to fraction form
51,672,138.30/77,508,207.45 = 22,974,324.30/x - Step 3: Cross multiply
51,672,138.30x = 77,508,207.45 × 22,974,324.30 - Step 4: Simplify right side
51,672,138.30x = 1,780,698,693,867,976.25 - Step 5: Solve for x
x = 1,780,698,693,867,976.25/51,672,138.30 - Step 6: Final answer
x = 34,461,486.45
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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.