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Finding the Fourth Proportional to 3,473.91, 5,209.25 and 2,013.48

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Solution

The fourth proportional to 3,473.91, 5,209.25 and 2,013.48 is: 3,019.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,473.91 : 5,209.25 = 2,013.48 : x
  2. Step 2: Convert to fraction form
    3,473.91/5,209.25 = 2,013.48/x
  3. Step 3: Cross multiply
    3,473.91x = 5,209.25 × 2,013.48
  4. Step 4: Simplify right side
    3,473.91x = 10,488,710.62
  5. Step 5: Solve for x
    x = 10,488,710.62/3,473.91
  6. Step 6: Final answer
    x = 3,019.28

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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.