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Finding the Fourth Proportional to 3,647.96, 5,468.52 and 1,338.92

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Solution

The fourth proportional to 3,647.96, 5,468.52 and 1,338.92 is: 2,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.96 : 5,468.52 = 1,338.92 : x
  2. Step 2: Convert to fraction form
    3,647.96/5,468.52 = 1,338.92/x
  3. Step 3: Cross multiply
    3,647.96x = 5,468.52 × 1,338.92
  4. Step 4: Simplify right side
    3,647.96x = 7,321,910.80
  5. Step 5: Solve for x
    x = 7,321,910.80/3,647.96
  6. Step 6: Final answer
    x = 2,007.12

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