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Finding the Fourth Proportional to 8,249.81, 12,372.10 and 2,984.11

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Solution

The fourth proportional to 8,249.81, 12,372.10 and 2,984.11 is: 4,475.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,249.81 : 12,372.10 = 2,984.11 : x
  2. Step 2: Convert to fraction form
    8,249.81/12,372.10 = 2,984.11/x
  3. Step 3: Cross multiply
    8,249.81x = 12,372.10 × 2,984.11
  4. Step 4: Simplify right side
    8,249.81x = 36,919,668.94
  5. Step 5: Solve for x
    x = 36,919,668.94/8,249.81
  6. Step 6: Final answer
    x = 4,475.22

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