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Finding the Fourth Proportional to 40,677.72, 60,917.22 and 25,073.88

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Solution

The fourth proportional to 40,677.72, 60,917.22 and 25,073.88 is: 37,549.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,677.72 : 60,917.22 = 25,073.88 : x
  2. Step 2: Convert to fraction form
    40,677.72/60,917.22 = 25,073.88/x
  3. Step 3: Cross multiply
    40,677.72x = 60,917.22 × 25,073.88
  4. Step 4: Simplify right side
    40,677.72x = 1,527,431,064.21
  5. Step 5: Solve for x
    x = 1,527,431,064.21/40,677.72
  6. Step 6: Final answer
    x = 37,549.57

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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.