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Finding the Fourth Proportional to 3,190.92, 4,403.88 and 1,793.94

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Solution

The fourth proportional to 3,190.92, 4,403.88 and 1,793.94 is: 2,475.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.92 : 4,403.88 = 1,793.94 : x
  2. Step 2: Convert to fraction form
    3,190.92/4,403.88 = 1,793.94/x
  3. Step 3: Cross multiply
    3,190.92x = 4,403.88 × 1,793.94
  4. Step 4: Simplify right side
    3,190.92x = 7,900,296.49
  5. Step 5: Solve for x
    x = 7,900,296.49/3,190.92
  6. Step 6: Final answer
    x = 2,475.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.