Finding the Fourth Proportional to 75,827.99, 113,755.35 and 25,896.38
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Solution
The fourth proportional to 75,827.99, 113,755.35 and 25,896.38 is: 38,849.14
Step by Step Solution
- Step 1: Write the proportion equation
75,827.99 : 113,755.35 = 25,896.38 : x - Step 2: Convert to fraction form
75,827.99/113,755.35 = 25,896.38/x - Step 3: Cross multiply
75,827.99x = 113,755.35 × 25,896.38 - Step 4: Simplify right side
75,827.99x = 2,945,852,152.13 - Step 5: Solve for x
x = 2,945,852,152.13/75,827.99 - Step 6: Final answer
x = 38,849.14
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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.