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Finding the Fourth Proportional to 16,780.77, 25,171.16 and 16,411.75

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Solution

The fourth proportional to 16,780.77, 25,171.16 and 16,411.75 is: 24,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.77 : 25,171.16 = 16,411.75 : x
  2. Step 2: Convert to fraction form
    16,780.77/25,171.16 = 16,411.75/x
  3. Step 3: Cross multiply
    16,780.77x = 25,171.16 × 16,411.75
  4. Step 4: Simplify right side
    16,780.77x = 413,102,640.14
  5. Step 5: Solve for x
    x = 413,102,640.14/16,780.77
  6. Step 6: Final answer
    x = 24,617.62

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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.