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Finding the Fourth Proportional to 22,872.15, 34,284.42 and 11,754.09

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Solution

The fourth proportional to 22,872.15, 34,284.42 and 11,754.09 is: 17,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,872.15 : 34,284.42 = 11,754.09 : x
  2. Step 2: Convert to fraction form
    22,872.15/34,284.42 = 11,754.09/x
  3. Step 3: Cross multiply
    22,872.15x = 34,284.42 × 11,754.09
  4. Step 4: Simplify right side
    22,872.15x = 402,982,158.28
  5. Step 5: Solve for x
    x = 402,982,158.28/22,872.15
  6. Step 6: Final answer
    x = 17,618.90

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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.