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Finding the Fourth Proportional to 24,390.92, 36,591.48 and 13,865.78

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Solution

The fourth proportional to 24,390.92, 36,591.48 and 13,865.78 is: 20,801.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,390.92 : 36,591.48 = 13,865.78 : x
  2. Step 2: Convert to fraction form
    24,390.92/36,591.48 = 13,865.78/x
  3. Step 3: Cross multiply
    24,390.92x = 36,591.48 × 13,865.78
  4. Step 4: Simplify right side
    24,390.92x = 507,369,503.03
  5. Step 5: Solve for x
    x = 507,369,503.03/24,390.92
  6. Step 6: Final answer
    x = 20,801.57

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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.