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Finding the Fourth Proportional to 3,179.92, 4,764.60 and 2,250.88

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Solution

The fourth proportional to 3,179.92, 4,764.60 and 2,250.88 is: 3,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.92 : 4,764.60 = 2,250.88 : x
  2. Step 2: Convert to fraction form
    3,179.92/4,764.60 = 2,250.88/x
  3. Step 3: Cross multiply
    3,179.92x = 4,764.60 × 2,250.88
  4. Step 4: Simplify right side
    3,179.92x = 10,724,542.85
  5. Step 5: Solve for x
    x = 10,724,542.85/3,179.92
  6. Step 6: Final answer
    x = 3,372.58

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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.