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Finding the Fourth Proportional to 3,080.88, 4,619.69 and 1,520.82

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Solution

The fourth proportional to 3,080.88, 4,619.69 and 1,520.82 is: 2,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.88 : 4,619.69 = 1,520.82 : x
  2. Step 2: Convert to fraction form
    3,080.88/4,619.69 = 1,520.82/x
  3. Step 3: Cross multiply
    3,080.88x = 4,619.69 × 1,520.82
  4. Step 4: Simplify right side
    3,080.88x = 7,025,693.85
  5. Step 5: Solve for x
    x = 7,025,693.85/3,080.88
  6. Step 6: Final answer
    x = 2,280.42

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