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Finding the Fourth Proportional to 3,382.83, 4,672.83 and 2,722.20

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Solution

The fourth proportional to 3,382.83, 4,672.83 and 2,722.20 is: 3,760.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.83 : 4,672.83 = 2,722.20 : x
  2. Step 2: Convert to fraction form
    3,382.83/4,672.83 = 2,722.20/x
  3. Step 3: Cross multiply
    3,382.83x = 4,672.83 × 2,722.20
  4. Step 4: Simplify right side
    3,382.83x = 12,720,377.83
  5. Step 5: Solve for x
    x = 12,720,377.83/3,382.83
  6. Step 6: Final answer
    x = 3,760.28

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1.5x scale

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.