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Finding the Fourth Proportional to 8,654.79, 11,947.59 and 5,069.25

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Solution

The fourth proportional to 8,654.79, 11,947.59 and 5,069.25 is: 6,997.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,654.79 : 11,947.59 = 5,069.25 : x
  2. Step 2: Convert to fraction form
    8,654.79/11,947.59 = 5,069.25/x
  3. Step 3: Cross multiply
    8,654.79x = 11,947.59 × 5,069.25
  4. Step 4: Simplify right side
    8,654.79x = 60,565,260.87
  5. Step 5: Solve for x
    x = 60,565,260.87/8,654.79
  6. Step 6: Final answer
    x = 6,997.89

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