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Finding the Fourth Proportional to 5,105.82, 7,659.15 and 2,184.15

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Solution

The fourth proportional to 5,105.82, 7,659.15 and 2,184.15 is: 3,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,105.82 : 7,659.15 = 2,184.15 : x
  2. Step 2: Convert to fraction form
    5,105.82/7,659.15 = 2,184.15/x
  3. Step 3: Cross multiply
    5,105.82x = 7,659.15 × 2,184.15
  4. Step 4: Simplify right side
    5,105.82x = 16,728,732.47
  5. Step 5: Solve for x
    x = 16,728,732.47/5,105.82
  6. Step 6: Final answer
    x = 3,276.40

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