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Finding the Fourth Proportional to 3,976.82, 5,488.02 and 2,208.42

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Solution

The fourth proportional to 3,976.82, 5,488.02 and 2,208.42 is: 3,047.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.82 : 5,488.02 = 2,208.42 : x
  2. Step 2: Convert to fraction form
    3,976.82/5,488.02 = 2,208.42/x
  3. Step 3: Cross multiply
    3,976.82x = 5,488.02 × 2,208.42
  4. Step 4: Simplify right side
    3,976.82x = 12,119,853.13
  5. Step 5: Solve for x
    x = 12,119,853.13/3,976.82
  6. Step 6: Final answer
    x = 3,047.62

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