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Finding the Fourth Proportional to 2,250.41, 3,375.48 and 863.69

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Solution

The fourth proportional to 2,250.41, 3,375.48 and 863.69 is: 1,295.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.41 : 3,375.48 = 863.69 : x
  2. Step 2: Convert to fraction form
    2,250.41/3,375.48 = 863.69/x
  3. Step 3: Cross multiply
    2,250.41x = 3,375.48 × 863.69
  4. Step 4: Simplify right side
    2,250.41x = 2,915,368.32
  5. Step 5: Solve for x
    x = 2,915,368.32/2,250.41
  6. Step 6: Final answer
    x = 1,295.48

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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.