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Finding the Fourth Proportional to 2,793.36, 4,188.44 and 943.52

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Solution

The fourth proportional to 2,793.36, 4,188.44 and 943.52 is: 1,414.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.36 : 4,188.44 = 943.52 : x
  2. Step 2: Convert to fraction form
    2,793.36/4,188.44 = 943.52/x
  3. Step 3: Cross multiply
    2,793.36x = 4,188.44 × 943.52
  4. Step 4: Simplify right side
    2,793.36x = 3,951,876.91
  5. Step 5: Solve for x
    x = 3,951,876.91/2,793.36
  6. Step 6: Final answer
    x = 1,414.74

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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.