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Finding the Fourth Proportional to 6,958.80, 9,600.80 and 3,974.16

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Solution

The fourth proportional to 6,958.80, 9,600.80 and 3,974.16 is: 5,483.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,958.80 : 9,600.80 = 3,974.16 : x
  2. Step 2: Convert to fraction form
    6,958.80/9,600.80 = 3,974.16/x
  3. Step 3: Cross multiply
    6,958.80x = 9,600.80 × 3,974.16
  4. Step 4: Simplify right side
    6,958.80x = 38,155,115.33
  5. Step 5: Solve for x
    x = 38,155,115.33/6,958.80
  6. Step 6: Final answer
    x = 5,483.00

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