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Finding the Fourth Proportional to 3,469.52, 5,198.16 and 1,822.16

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Solution

The fourth proportional to 3,469.52, 5,198.16 and 1,822.16 is: 2,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,469.52 : 5,198.16 = 1,822.16 : x
  2. Step 2: Convert to fraction form
    3,469.52/5,198.16 = 1,822.16/x
  3. Step 3: Cross multiply
    3,469.52x = 5,198.16 × 1,822.16
  4. Step 4: Simplify right side
    3,469.52x = 9,471,879.23
  5. Step 5: Solve for x
    x = 9,471,879.23/3,469.52
  6. Step 6: Final answer
    x = 2,730.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.