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Finding the Fourth Proportional to 18,097.68, 27,143.16 and 6,251.43

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Solution

The fourth proportional to 18,097.68, 27,143.16 and 6,251.43 is: 9,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.68 : 27,143.16 = 6,251.43 : x
  2. Step 2: Convert to fraction form
    18,097.68/27,143.16 = 6,251.43/x
  3. Step 3: Cross multiply
    18,097.68x = 27,143.16 × 6,251.43
  4. Step 4: Simplify right side
    18,097.68x = 169,683,564.72
  5. Step 5: Solve for x
    x = 169,683,564.72/18,097.68
  6. Step 6: Final answer
    x = 9,375.98

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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.