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Finding the Fourth Proportional to 8,100.18, 12,122.82 and 4,982.16

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Solution

The fourth proportional to 8,100.18, 12,122.82 and 4,982.16 is: 7,456.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,100.18 : 12,122.82 = 4,982.16 : x
  2. Step 2: Convert to fraction form
    8,100.18/12,122.82 = 4,982.16/x
  3. Step 3: Cross multiply
    8,100.18x = 12,122.82 × 4,982.16
  4. Step 4: Simplify right side
    8,100.18x = 60,397,841.35
  5. Step 5: Solve for x
    x = 60,397,841.35/8,100.18
  6. Step 6: Final answer
    x = 7,456.36

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