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Finding the Fourth Proportional to 16,179.76, 24,269.65 and 5,087.41

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Solution

The fourth proportional to 16,179.76, 24,269.65 and 5,087.41 is: 7,631.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,179.76 : 24,269.65 = 5,087.41 : x
  2. Step 2: Convert to fraction form
    16,179.76/24,269.65 = 5,087.41/x
  3. Step 3: Cross multiply
    16,179.76x = 24,269.65 × 5,087.41
  4. Step 4: Simplify right side
    16,179.76x = 123,469,660.11
  5. Step 5: Solve for x
    x = 123,469,660.11/16,179.76
  6. Step 6: Final answer
    x = 7,631.12

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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.