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Finding the Fourth Proportional to 25,791.89, 38,688.03 and 24,532.74

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Solution

The fourth proportional to 25,791.89, 38,688.03 and 24,532.74 is: 36,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,791.89 : 38,688.03 = 24,532.74 : x
  2. Step 2: Convert to fraction form
    25,791.89/38,688.03 = 24,532.74/x
  3. Step 3: Cross multiply
    25,791.89x = 38,688.03 × 24,532.74
  4. Step 4: Simplify right side
    25,791.89x = 949,123,381.10
  5. Step 5: Solve for x
    x = 949,123,381.10/25,791.89
  6. Step 6: Final answer
    x = 36,799.30

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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.