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Finding the Fourth Proportional to 57,700.70, 86,559.15 and 18,253.70

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Solution

The fourth proportional to 57,700.70, 86,559.15 and 18,253.70 is: 27,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,700.70 : 86,559.15 = 18,253.70 : x
  2. Step 2: Convert to fraction form
    57,700.70/86,559.15 = 18,253.70/x
  3. Step 3: Cross multiply
    57,700.70x = 86,559.15 × 18,253.70
  4. Step 4: Simplify right side
    57,700.70x = 1,580,024,756.36
  5. Step 5: Solve for x
    x = 1,580,024,756.36/57,700.70
  6. Step 6: Final answer
    x = 27,383.11

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