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Finding the Fourth Proportional to 24,258.78, 36,375.90 and 12,410.76

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Solution

The fourth proportional to 24,258.78, 36,375.90 and 12,410.76 is: 18,609.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,258.78 : 36,375.90 = 12,410.76 : x
  2. Step 2: Convert to fraction form
    24,258.78/36,375.90 = 12,410.76/x
  3. Step 3: Cross multiply
    24,258.78x = 36,375.90 × 12,410.76
  4. Step 4: Simplify right side
    24,258.78x = 451,452,564.68
  5. Step 5: Solve for x
    x = 451,452,564.68/24,258.78
  6. Step 6: Final answer
    x = 18,609.86

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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.