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Finding the Fourth Proportional to 8,822.06, 13,238.28 and 3,279.30

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Solution

The fourth proportional to 8,822.06, 13,238.28 and 3,279.30 is: 4,920.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,822.06 : 13,238.28 = 3,279.30 : x
  2. Step 2: Convert to fraction form
    8,822.06/13,238.28 = 3,279.30/x
  3. Step 3: Cross multiply
    8,822.06x = 13,238.28 × 3,279.30
  4. Step 4: Simplify right side
    8,822.06x = 43,412,291.60
  5. Step 5: Solve for x
    x = 43,412,291.60/8,822.06
  6. Step 6: Final answer
    x = 4,920.88

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