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Finding the Fourth Proportional to 7,843.82, 10,829.54 and 4,862.82

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Solution

The fourth proportional to 7,843.82, 10,829.54 and 4,862.82 is: 6,713.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,843.82 : 10,829.54 = 4,862.82 : x
  2. Step 2: Convert to fraction form
    7,843.82/10,829.54 = 4,862.82/x
  3. Step 3: Cross multiply
    7,843.82x = 10,829.54 × 4,862.82
  4. Step 4: Simplify right side
    7,843.82x = 52,662,079.39
  5. Step 5: Solve for x
    x = 52,662,079.39/7,843.82
  6. Step 6: Final answer
    x = 6,713.83

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