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Finding the Fourth Proportional to 3,648.82, 5,462.89 and 2,836.59

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Solution

The fourth proportional to 3,648.82, 5,462.89 and 2,836.59 is: 4,246.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.82 : 5,462.89 = 2,836.59 : x
  2. Step 2: Convert to fraction form
    3,648.82/5,462.89 = 2,836.59/x
  3. Step 3: Cross multiply
    3,648.82x = 5,462.89 × 2,836.59
  4. Step 4: Simplify right side
    3,648.82x = 15,495,979.15
  5. Step 5: Solve for x
    x = 15,495,979.15/3,648.82
  6. Step 6: Final answer
    x = 4,246.85

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