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Finding the Fourth Proportional to 62,786.72, 86,646.90 and 34,493.48

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Solution

The fourth proportional to 62,786.72, 86,646.90 and 34,493.48 is: 47,601.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,786.72 : 86,646.90 = 34,493.48 : x
  2. Step 2: Convert to fraction form
    62,786.72/86,646.90 = 34,493.48/x
  3. Step 3: Cross multiply
    62,786.72x = 86,646.90 × 34,493.48
  4. Step 4: Simplify right side
    62,786.72x = 2,988,753,112.21
  5. Step 5: Solve for x
    x = 2,988,753,112.21/62,786.72
  6. Step 6: Final answer
    x = 47,601.68

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