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Finding the Fourth Proportional to 57,845.59, 86,669.36 and 31,568.79

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Solution

The fourth proportional to 57,845.59, 86,669.36 and 31,568.79 is: 47,299.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,845.59 : 86,669.36 = 31,568.79 : x
  2. Step 2: Convert to fraction form
    57,845.59/86,669.36 = 31,568.79/x
  3. Step 3: Cross multiply
    57,845.59x = 86,669.36 × 31,568.79
  4. Step 4: Simplify right side
    57,845.59x = 2,736,046,825.27
  5. Step 5: Solve for x
    x = 2,736,046,825.27/57,845.59
  6. Step 6: Final answer
    x = 47,299.14

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