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Finding the Fourth Proportional to 8,311.86, 12,467.84 and 2,468.52

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Solution

The fourth proportional to 8,311.86, 12,467.84 and 2,468.52 is: 3,702.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.86 : 12,467.84 = 2,468.52 : x
  2. Step 2: Convert to fraction form
    8,311.86/12,467.84 = 2,468.52/x
  3. Step 3: Cross multiply
    8,311.86x = 12,467.84 × 2,468.52
  4. Step 4: Simplify right side
    8,311.86x = 30,777,112.40
  5. Step 5: Solve for x
    x = 30,777,112.40/8,311.86
  6. Step 6: Final answer
    x = 3,702.79

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