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Finding the Fourth Proportional to 41,991.46, 62,997.54 and 12,409.18

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Solution

The fourth proportional to 41,991.46, 62,997.54 and 12,409.18 is: 18,616.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,991.46 : 62,997.54 = 12,409.18 : x
  2. Step 2: Convert to fraction form
    41,991.46/62,997.54 = 12,409.18/x
  3. Step 3: Cross multiply
    41,991.46x = 62,997.54 × 12,409.18
  4. Step 4: Simplify right side
    41,991.46x = 781,747,813.42
  5. Step 5: Solve for x
    x = 781,747,813.42/41,991.46
  6. Step 6: Final answer
    x = 18,616.83

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