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Finding the Fourth Proportional to 39,854.80, 54,998.50 and 22,861.88

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Solution

The fourth proportional to 39,854.80, 54,998.50 and 22,861.88 is: 31,548.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,854.80 : 54,998.50 = 22,861.88 : x
  2. Step 2: Convert to fraction form
    39,854.80/54,998.50 = 22,861.88/x
  3. Step 3: Cross multiply
    39,854.80x = 54,998.50 × 22,861.88
  4. Step 4: Simplify right side
    39,854.80x = 1,257,369,107.18
  5. Step 5: Solve for x
    x = 1,257,369,107.18/39,854.80
  6. Step 6: Final answer
    x = 31,548.75

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