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Finding the Fourth Proportional to 18,167.54, 27,252.89 and 5,019.92

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Solution

The fourth proportional to 18,167.54, 27,252.89 and 5,019.92 is: 7,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.54 : 27,252.89 = 5,019.92 : x
  2. Step 2: Convert to fraction form
    18,167.54/27,252.89 = 5,019.92/x
  3. Step 3: Cross multiply
    18,167.54x = 27,252.89 × 5,019.92
  4. Step 4: Simplify right side
    18,167.54x = 136,807,327.57
  5. Step 5: Solve for x
    x = 136,807,327.57/18,167.54
  6. Step 6: Final answer
    x = 7,530.32

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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.