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Finding the Fourth Proportional to 2,369.75, 3,270.24 and 1,375.61

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Solution

The fourth proportional to 2,369.75, 3,270.24 and 1,375.61 is: 1,898.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.75 : 3,270.24 = 1,375.61 : x
  2. Step 2: Convert to fraction form
    2,369.75/3,270.24 = 1,375.61/x
  3. Step 3: Cross multiply
    2,369.75x = 3,270.24 × 1,375.61
  4. Step 4: Simplify right side
    2,369.75x = 4,498,583.02
  5. Step 5: Solve for x
    x = 4,498,583.02/2,369.75
  6. Step 6: Final answer
    x = 1,898.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.