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Finding the Fourth Proportional to 3,800.73, 5,245.88 and 2,229.33

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Solution

The fourth proportional to 3,800.73, 5,245.88 and 2,229.33 is: 3,076.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,800.73 : 5,245.88 = 2,229.33 : x
  2. Step 2: Convert to fraction form
    3,800.73/5,245.88 = 2,229.33/x
  3. Step 3: Cross multiply
    3,800.73x = 5,245.88 × 2,229.33
  4. Step 4: Simplify right side
    3,800.73x = 11,694,784.55
  5. Step 5: Solve for x
    x = 11,694,784.55/3,800.73
  6. Step 6: Final answer
    x = 3,076.99

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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.