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Finding the Fourth Proportional to 25,936.11, 38,909.85 and 8,407.71

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Solution

The fourth proportional to 25,936.11, 38,909.85 and 8,407.71 is: 12,613.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,936.11 : 38,909.85 = 8,407.71 : x
  2. Step 2: Convert to fraction form
    25,936.11/38,909.85 = 8,407.71/x
  3. Step 3: Cross multiply
    25,936.11x = 38,909.85 × 8,407.71
  4. Step 4: Simplify right side
    25,936.11x = 327,142,734.94
  5. Step 5: Solve for x
    x = 327,142,734.94/25,936.11
  6. Step 6: Final answer
    x = 12,613.41

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