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Finding the Fourth Proportional to 16,251.66, 24,380.92 and 5,156.88

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Solution

The fourth proportional to 16,251.66, 24,380.92 and 5,156.88 is: 7,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.66 : 24,380.92 = 5,156.88 : x
  2. Step 2: Convert to fraction form
    16,251.66/24,380.92 = 5,156.88/x
  3. Step 3: Cross multiply
    16,251.66x = 24,380.92 × 5,156.88
  4. Step 4: Simplify right side
    16,251.66x = 125,729,478.73
  5. Step 5: Solve for x
    x = 125,729,478.73/16,251.66
  6. Step 6: Final answer
    x = 7,736.41

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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.