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Finding the Fourth Proportional to 13,912.07, 20,815.78 and 9,760.17

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Solution

The fourth proportional to 13,912.07, 20,815.78 and 9,760.17 is: 14,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,912.07 : 20,815.78 = 9,760.17 : x
  2. Step 2: Convert to fraction form
    13,912.07/20,815.78 = 9,760.17/x
  3. Step 3: Cross multiply
    13,912.07x = 20,815.78 × 9,760.17
  4. Step 4: Simplify right side
    13,912.07x = 203,165,551.48
  5. Step 5: Solve for x
    x = 203,165,551.48/13,912.07
  6. Step 6: Final answer
    x = 14,603.55

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