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Finding the Fourth Proportional to 1,793.44, 2,487.67 and 1,734.40

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Solution

The fourth proportional to 1,793.44, 2,487.67 and 1,734.40 is: 2,405.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.44 : 2,487.67 = 1,734.40 : x
  2. Step 2: Convert to fraction form
    1,793.44/2,487.67 = 1,734.40/x
  3. Step 3: Cross multiply
    1,793.44x = 2,487.67 × 1,734.40
  4. Step 4: Simplify right side
    1,793.44x = 4,314,614.85
  5. Step 5: Solve for x
    x = 4,314,614.85/1,793.44
  6. Step 6: Final answer
    x = 2,405.78

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.