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Finding the Fourth Proportional to 18,032.65, 27,062.92 and 11,790.97

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Solution

The fourth proportional to 18,032.65, 27,062.92 and 11,790.97 is: 17,695.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,032.65 : 27,062.92 = 11,790.97 : x
  2. Step 2: Convert to fraction form
    18,032.65/27,062.92 = 11,790.97/x
  3. Step 3: Cross multiply
    18,032.65x = 27,062.92 × 11,790.97
  4. Step 4: Simplify right side
    18,032.65x = 319,098,077.83
  5. Step 5: Solve for x
    x = 319,098,077.83/18,032.65
  6. Step 6: Final answer
    x = 17,695.57

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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.