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Finding the Fourth Proportional to 3,792.69, 5,689.04 and 1,843.22

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Solution

The fourth proportional to 3,792.69, 5,689.04 and 1,843.22 is: 2,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,792.69 : 5,689.04 = 1,843.22 : x
  2. Step 2: Convert to fraction form
    3,792.69/5,689.04 = 1,843.22/x
  3. Step 3: Cross multiply
    3,792.69x = 5,689.04 × 1,843.22
  4. Step 4: Simplify right side
    3,792.69x = 10,486,114.65
  5. Step 5: Solve for x
    x = 10,486,114.65/3,792.69
  6. Step 6: Final answer
    x = 2,764.82

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Similar ratio
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1.5x scale

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.