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Finding the Fourth Proportional to 2,265.70, 3,399.09 and 1,033.48

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Solution

The fourth proportional to 2,265.70, 3,399.09 and 1,033.48 is: 1,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,265.70 : 3,399.09 = 1,033.48 : x
  2. Step 2: Convert to fraction form
    2,265.70/3,399.09 = 1,033.48/x
  3. Step 3: Cross multiply
    2,265.70x = 3,399.09 × 1,033.48
  4. Step 4: Simplify right side
    2,265.70x = 3,512,891.53
  5. Step 5: Solve for x
    x = 3,512,891.53/2,265.70
  6. Step 6: Final answer
    x = 1,550.47

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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.