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Finding the Fourth Proportional to 8,634.56, 12,923.97 and 4,468.85

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Solution

The fourth proportional to 8,634.56, 12,923.97 and 4,468.85 is: 6,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.56 : 12,923.97 = 4,468.85 : x
  2. Step 2: Convert to fraction form
    8,634.56/12,923.97 = 4,468.85/x
  3. Step 3: Cross multiply
    8,634.56x = 12,923.97 × 4,468.85
  4. Step 4: Simplify right side
    8,634.56x = 57,755,218.71
  5. Step 5: Solve for x
    x = 57,755,218.71/8,634.56
  6. Step 6: Final answer
    x = 6,688.85

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