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Finding the Fourth Proportional to 71,618.69, 107,439.65 and 24,236.70

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Solution

The fourth proportional to 71,618.69, 107,439.65 and 24,236.70 is: 36,358.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,618.69 : 107,439.65 = 24,236.70 : x
  2. Step 2: Convert to fraction form
    71,618.69/107,439.65 = 24,236.70/x
  3. Step 3: Cross multiply
    71,618.69x = 107,439.65 × 24,236.70
  4. Step 4: Simplify right side
    71,618.69x = 2,603,982,443.97
  5. Step 5: Solve for x
    x = 2,603,982,443.97/71,618.69
  6. Step 6: Final answer
    x = 36,358.98

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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.