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Finding the Fourth Proportional to 57,284.47, 85,892.08 and 25,688.80

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Solution

The fourth proportional to 57,284.47, 85,892.08 and 25,688.80 is: 38,517.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,284.47 : 85,892.08 = 25,688.80 : x
  2. Step 2: Convert to fraction form
    57,284.47/85,892.08 = 25,688.80/x
  3. Step 3: Cross multiply
    57,284.47x = 85,892.08 × 25,688.80
  4. Step 4: Simplify right side
    57,284.47x = 2,206,464,464.70
  5. Step 5: Solve for x
    x = 2,206,464,464.70/57,284.47
  6. Step 6: Final answer
    x = 38,517.67

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