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Finding the Fourth Proportional to 2,749, 4,122.42 and 1,016.44

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Solution

The fourth proportional to 2,749, 4,122.42 and 1,016.44 is: 1,524.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749 : 4,122.42 = 1,016.44 : x
  2. Step 2: Convert to fraction form
    2,749/4,122.42 = 1,016.44/x
  3. Step 3: Cross multiply
    2,749x = 4,122.42 × 1,016.44
  4. Step 4: Simplify right side
    2,749x = 4,190,192.58
  5. Step 5: Solve for x
    x = 4,190,192.58/2,749
  6. Step 6: Final answer
    x = 1,524.26

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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.