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Finding the Fourth Proportional to 8,510.67, 12,765.20 and 2,664.09

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Solution

The fourth proportional to 8,510.67, 12,765.20 and 2,664.09 is: 3,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.67 : 12,765.20 = 2,664.09 : x
  2. Step 2: Convert to fraction form
    8,510.67/12,765.20 = 2,664.09/x
  3. Step 3: Cross multiply
    8,510.67x = 12,765.20 × 2,664.09
  4. Step 4: Simplify right side
    8,510.67x = 34,007,628.35
  5. Step 5: Solve for x
    x = 34,007,628.35/8,510.67
  6. Step 6: Final answer
    x = 3,995.88

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