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Finding the Fourth Proportional to 57,878.82, 86,805.05 and 27,877.73

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Solution

The fourth proportional to 57,878.82, 86,805.05 and 27,877.73 is: 41,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,878.82 : 86,805.05 = 27,877.73 : x
  2. Step 2: Convert to fraction form
    57,878.82/86,805.05 = 27,877.73/x
  3. Step 3: Cross multiply
    57,878.82x = 86,805.05 × 27,877.73
  4. Step 4: Simplify right side
    57,878.82x = 2,419,927,173.12
  5. Step 5: Solve for x
    x = 2,419,927,173.12/57,878.82
  6. Step 6: Final answer
    x = 41,810.24

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