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Finding the Fourth Proportional to 16,251.84, 24,351.84 and 9,331.20

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Solution

The fourth proportional to 16,251.84, 24,351.84 and 9,331.20 is: 13,981.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.84 : 24,351.84 = 9,331.20 : x
  2. Step 2: Convert to fraction form
    16,251.84/24,351.84 = 9,331.20/x
  3. Step 3: Cross multiply
    16,251.84x = 24,351.84 × 9,331.20
  4. Step 4: Simplify right side
    16,251.84x = 227,231,889.41
  5. Step 5: Solve for x
    x = 227,231,889.41/16,251.84
  6. Step 6: Final answer
    x = 13,981.92

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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.