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Finding the Fourth Proportional to 2,311.38, 3,466.71 and 751.44

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Solution

The fourth proportional to 2,311.38, 3,466.71 and 751.44 is: 1,127.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,311.38 : 3,466.71 = 751.44 : x
  2. Step 2: Convert to fraction form
    2,311.38/3,466.71 = 751.44/x
  3. Step 3: Cross multiply
    2,311.38x = 3,466.71 × 751.44
  4. Step 4: Simplify right side
    2,311.38x = 2,605,024.56
  5. Step 5: Solve for x
    x = 2,605,024.56/2,311.38
  6. Step 6: Final answer
    x = 1,127.04

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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.