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Finding the Fourth Proportional to 6,610.08, 9,912.54 and 3,320.88

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Solution

The fourth proportional to 6,610.08, 9,912.54 and 3,320.88 is: 4,980.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.08 : 9,912.54 = 3,320.88 : x
  2. Step 2: Convert to fraction form
    6,610.08/9,912.54 = 3,320.88/x
  3. Step 3: Cross multiply
    6,610.08x = 9,912.54 × 3,320.88
  4. Step 4: Simplify right side
    6,610.08x = 32,918,355.84
  5. Step 5: Solve for x
    x = 32,918,355.84/6,610.08
  6. Step 6: Final answer
    x = 4,980.02

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