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Finding the Fourth Proportional to 8,311.21, 11,470.95 and 4,954.24

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Solution

The fourth proportional to 8,311.21, 11,470.95 and 4,954.24 is: 6,837.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.21 : 11,470.95 = 4,954.24 : x
  2. Step 2: Convert to fraction form
    8,311.21/11,470.95 = 4,954.24/x
  3. Step 3: Cross multiply
    8,311.21x = 11,470.95 × 4,954.24
  4. Step 4: Simplify right side
    8,311.21x = 56,829,789.14
  5. Step 5: Solve for x
    x = 56,829,789.14/8,311.21
  6. Step 6: Final answer
    x = 6,837.73

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