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Finding the Fourth Proportional to 6,774.27, 9,348.63 and 3,789.78

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Solution

The fourth proportional to 6,774.27, 9,348.63 and 3,789.78 is: 5,229.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.27 : 9,348.63 = 3,789.78 : x
  2. Step 2: Convert to fraction form
    6,774.27/9,348.63 = 3,789.78/x
  3. Step 3: Cross multiply
    6,774.27x = 9,348.63 × 3,789.78
  4. Step 4: Simplify right side
    6,774.27x = 35,429,251.00
  5. Step 5: Solve for x
    x = 35,429,251.00/6,774.27
  6. Step 6: Final answer
    x = 5,229.97

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