Finding the Fourth Proportional to 69,694.24, 104,469.84 and 27,557.44
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Solution
The fourth proportional to 69,694.24, 104,469.84 and 27,557.44 is: 41,307.88
Step by Step Solution
- Step 1: Write the proportion equation
69,694.24 : 104,469.84 = 27,557.44 : x - Step 2: Convert to fraction form
69,694.24/104,469.84 = 27,557.44/x - Step 3: Cross multiply
69,694.24x = 104,469.84 × 27,557.44 - Step 4: Simplify right side
69,694.24x = 2,878,921,347.61 - Step 5: Solve for x
x = 2,878,921,347.61/69,694.24 - Step 6: Final answer
x = 41,307.88
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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.