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Finding the Fourth Proportional to 10,908.73, 16,364.91 and 3,892.79

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Solution

The fourth proportional to 10,908.73, 16,364.91 and 3,892.79 is: 5,839.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,908.73 : 16,364.91 = 3,892.79 : x
  2. Step 2: Convert to fraction form
    10,908.73/16,364.91 = 3,892.79/x
  3. Step 3: Cross multiply
    10,908.73x = 16,364.91 × 3,892.79
  4. Step 4: Simplify right side
    10,908.73x = 63,705,158.00
  5. Step 5: Solve for x
    x = 63,705,158.00/10,908.73
  6. Step 6: Final answer
    x = 5,839.83

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