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Finding the Fourth Proportional to 16,867.20, 25,252.20 and 16,381.20

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Solution

The fourth proportional to 16,867.20, 25,252.20 and 16,381.20 is: 24,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.20 : 25,252.20 = 16,381.20 : x
  2. Step 2: Convert to fraction form
    16,867.20/25,252.20 = 16,381.20/x
  3. Step 3: Cross multiply
    16,867.20x = 25,252.20 × 16,381.20
  4. Step 4: Simplify right side
    16,867.20x = 413,661,338.64
  5. Step 5: Solve for x
    x = 413,661,338.64/16,867.20
  6. Step 6: Final answer
    x = 24,524.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.