Finding the Fourth Proportional to 79,805.87, 119,736.15 and 27,252.26
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Solution
The fourth proportional to 79,805.87, 119,736.15 and 27,252.26 is: 40,887.73
Step by Step Solution
- Step 1: Write the proportion equation
79,805.87 : 119,736.15 = 27,252.26 : x - Step 2: Convert to fraction form
79,805.87/119,736.15 = 27,252.26/x - Step 3: Cross multiply
79,805.87x = 119,736.15 × 27,252.26 - Step 4: Simplify right side
79,805.87x = 3,263,080,691.20 - Step 5: Solve for x
x = 3,263,080,691.20/79,805.87 - Step 6: Final answer
x = 40,887.73
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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.