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Finding the Fourth Proportional to 39,144.76, 58,715.92 and 9,562.76

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Solution

The fourth proportional to 39,144.76, 58,715.92 and 9,562.76 is: 14,343.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,144.76 : 58,715.92 = 9,562.76 : x
  2. Step 2: Convert to fraction form
    39,144.76/58,715.92 = 9,562.76/x
  3. Step 3: Cross multiply
    39,144.76x = 58,715.92 × 9,562.76
  4. Step 4: Simplify right side
    39,144.76x = 561,486,251.14
  5. Step 5: Solve for x
    x = 561,486,251.14/39,144.76
  6. Step 6: Final answer
    x = 14,343.84

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1.5x scale

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.