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Finding the Fourth Proportional to 2,382.26, 3,574.24 and 843.26

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Solution

The fourth proportional to 2,382.26, 3,574.24 and 843.26 is: 1,265.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.26 : 3,574.24 = 843.26 : x
  2. Step 2: Convert to fraction form
    2,382.26/3,574.24 = 843.26/x
  3. Step 3: Cross multiply
    2,382.26x = 3,574.24 × 843.26
  4. Step 4: Simplify right side
    2,382.26x = 3,014,013.62
  5. Step 5: Solve for x
    x = 3,014,013.62/2,382.26
  6. Step 6: Final answer
    x = 1,265.19

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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.