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Finding the Fourth Proportional to 2,793.33, 4,187.07 and 943.80

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Solution

The fourth proportional to 2,793.33, 4,187.07 and 943.80 is: 1,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.33 : 4,187.07 = 943.80 : x
  2. Step 2: Convert to fraction form
    2,793.33/4,187.07 = 943.80/x
  3. Step 3: Cross multiply
    2,793.33x = 4,187.07 × 943.80
  4. Step 4: Simplify right side
    2,793.33x = 3,951,756.67
  5. Step 5: Solve for x
    x = 3,951,756.67/2,793.33
  6. Step 6: Final answer
    x = 1,414.71

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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.