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Finding the Fourth Proportional to 27,481.86, 41,229.18 and 11,687.76

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Solution

The fourth proportional to 27,481.86, 41,229.18 and 11,687.76 is: 17,534.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,481.86 : 41,229.18 = 11,687.76 : x
  2. Step 2: Convert to fraction form
    27,481.86/41,229.18 = 11,687.76/x
  3. Step 3: Cross multiply
    27,481.86x = 41,229.18 × 11,687.76
  4. Step 4: Simplify right side
    27,481.86x = 481,876,760.84
  5. Step 5: Solve for x
    x = 481,876,760.84/27,481.86
  6. Step 6: Final answer
    x = 17,534.36

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