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Finding the Fourth Proportional to 8,769.52, 12,101.40 and 4,789.82

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Solution

The fourth proportional to 8,769.52, 12,101.40 and 4,789.82 is: 6,609.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.52 : 12,101.40 = 4,789.82 : x
  2. Step 2: Convert to fraction form
    8,769.52/12,101.40 = 4,789.82/x
  3. Step 3: Cross multiply
    8,769.52x = 12,101.40 × 4,789.82
  4. Step 4: Simplify right side
    8,769.52x = 57,963,527.75
  5. Step 5: Solve for x
    x = 57,963,527.75/8,769.52
  6. Step 6: Final answer
    x = 6,609.66

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