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Finding the Fourth Proportional to 10,819.70, 16,233.60 and 4,250.60

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Solution

The fourth proportional to 10,819.70, 16,233.60 and 4,250.60 is: 6,377.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,819.70 : 16,233.60 = 4,250.60 : x
  2. Step 2: Convert to fraction form
    10,819.70/16,233.60 = 4,250.60/x
  3. Step 3: Cross multiply
    10,819.70x = 16,233.60 × 4,250.60
  4. Step 4: Simplify right side
    10,819.70x = 69,002,540.16
  5. Step 5: Solve for x
    x = 69,002,540.16/10,819.70
  6. Step 6: Final answer
    x = 6,377.49

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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.