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Finding the Fourth Proportional to 1,793.92, 2,690.88 and 1,024.64

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Solution

The fourth proportional to 1,793.92, 2,690.88 and 1,024.64 is: 1,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793.92 : 2,690.88 = 1,024.64 : x
  2. Step 2: Convert to fraction form
    1,793.92/2,690.88 = 1,024.64/x
  3. Step 3: Cross multiply
    1,793.92x = 2,690.88 × 1,024.64
  4. Step 4: Simplify right side
    1,793.92x = 2,757,183.28
  5. Step 5: Solve for x
    x = 2,757,183.28/1,793.92
  6. Step 6: Final answer
    x = 1,536.96

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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.