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Finding the Fourth Proportional to 39,951.68, 59,923.68 and 12,249.92

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Solution

The fourth proportional to 39,951.68, 59,923.68 and 12,249.92 is: 18,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,951.68 : 59,923.68 = 12,249.92 : x
  2. Step 2: Convert to fraction form
    39,951.68/59,923.68 = 12,249.92/x
  3. Step 3: Cross multiply
    39,951.68x = 59,923.68 × 12,249.92
  4. Step 4: Simplify right side
    39,951.68x = 734,060,286.11
  5. Step 5: Solve for x
    x = 734,060,286.11/39,951.68
  6. Step 6: Final answer
    x = 18,373.70

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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.