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Finding the Fourth Proportional to 57,713.58, 86,562.81 and 18,270.90

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Solution

The fourth proportional to 57,713.58, 86,562.81 and 18,270.90 is: 27,403.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,713.58 : 86,562.81 = 18,270.90 : x
  2. Step 2: Convert to fraction form
    57,713.58/86,562.81 = 18,270.90/x
  3. Step 3: Cross multiply
    57,713.58x = 86,562.81 × 18,270.90
  4. Step 4: Simplify right side
    57,713.58x = 1,581,580,445.23
  5. Step 5: Solve for x
    x = 1,581,580,445.23/57,713.58
  6. Step 6: Final answer
    x = 27,403.96

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