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Finding the Fourth Proportional to 13,826.71, 20,737.22 and 3,963.80

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Solution

The fourth proportional to 13,826.71, 20,737.22 and 3,963.80 is: 5,944.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.71 : 20,737.22 = 3,963.80 : x
  2. Step 2: Convert to fraction form
    13,826.71/20,737.22 = 3,963.80/x
  3. Step 3: Cross multiply
    13,826.71x = 20,737.22 × 3,963.80
  4. Step 4: Simplify right side
    13,826.71x = 82,198,192.64
  5. Step 5: Solve for x
    x = 82,198,192.64/13,826.71
  6. Step 6: Final answer
    x = 5,944.88

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