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Finding the Fourth Proportional to 57,906.52, 86,858.87 and 18,463.37

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Solution

The fourth proportional to 57,906.52, 86,858.87 and 18,463.37 is: 27,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,906.52 : 86,858.87 = 18,463.37 : x
  2. Step 2: Convert to fraction form
    57,906.52/86,858.87 = 18,463.37/x
  3. Step 3: Cross multiply
    57,906.52x = 86,858.87 × 18,463.37
  4. Step 4: Simplify right side
    57,906.52x = 1,603,707,454.59
  5. Step 5: Solve for x
    x = 1,603,707,454.59/57,906.52
  6. Step 6: Final answer
    x = 27,694.76

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