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Finding the Fourth Proportional to 8,912.82, 13,372.26 and 3,367.74

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Solution

The fourth proportional to 8,912.82, 13,372.26 and 3,367.74 is: 5,052.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.82 : 13,372.26 = 3,367.74 : x
  2. Step 2: Convert to fraction form
    8,912.82/13,372.26 = 3,367.74/x
  3. Step 3: Cross multiply
    8,912.82x = 13,372.26 × 3,367.74
  4. Step 4: Simplify right side
    8,912.82x = 45,034,294.89
  5. Step 5: Solve for x
    x = 45,034,294.89/8,912.82
  6. Step 6: Final answer
    x = 5,052.75

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