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Finding the Fourth Proportional to 36,759.71, 55,115.87 and 15,713.48

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Solution

The fourth proportional to 36,759.71, 55,115.87 and 15,713.48 is: 23,560.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,759.71 : 55,115.87 = 15,713.48 : x
  2. Step 2: Convert to fraction form
    36,759.71/55,115.87 = 15,713.48/x
  3. Step 3: Cross multiply
    36,759.71x = 55,115.87 × 15,713.48
  4. Step 4: Simplify right side
    36,759.71x = 866,061,766.78
  5. Step 5: Solve for x
    x = 866,061,766.78/36,759.71
  6. Step 6: Final answer
    x = 23,560.08

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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.