Finding the Fourth Proportional to 74,248.11, 102,444.75 and 41,983.38
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Solution
The fourth proportional to 74,248.11, 102,444.75 and 41,983.38 is: 57,927.09
Step by Step Solution
- Step 1: Write the proportion equation
74,248.11 : 102,444.75 = 41,983.38 : x - Step 2: Convert to fraction form
74,248.11/102,444.75 = 41,983.38/x - Step 3: Cross multiply
74,248.11x = 102,444.75 × 41,983.38 - Step 4: Simplify right side
74,248.11x = 4,300,976,868.26 - Step 5: Solve for x
x = 4,300,976,868.26/74,248.11 - Step 6: Final answer
x = 57,927.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.