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Finding the Fourth Proportional to 3,976.51, 5,487.62 and 2,208.13

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Solution

The fourth proportional to 3,976.51, 5,487.62 and 2,208.13 is: 3,047.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.51 : 5,487.62 = 2,208.13 : x
  2. Step 2: Convert to fraction form
    3,976.51/5,487.62 = 2,208.13/x
  3. Step 3: Cross multiply
    3,976.51x = 5,487.62 × 2,208.13
  4. Step 4: Simplify right side
    3,976.51x = 12,117,378.35
  5. Step 5: Solve for x
    x = 12,117,378.35/3,976.51
  6. Step 6: Final answer
    x = 3,047.24

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