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Finding the Fourth Proportional to 5,471.97, 8,202.29 and 2,547.87

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Solution

The fourth proportional to 5,471.97, 8,202.29 and 2,547.87 is: 3,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.97 : 8,202.29 = 2,547.87 : x
  2. Step 2: Convert to fraction form
    5,471.97/8,202.29 = 2,547.87/x
  3. Step 3: Cross multiply
    5,471.97x = 8,202.29 × 2,547.87
  4. Step 4: Simplify right side
    5,471.97x = 20,898,355.88
  5. Step 5: Solve for x
    x = 20,898,355.88/5,471.97
  6. Step 6: Final answer
    x = 3,819.16

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