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Finding the Fourth Proportional to 2,793, 4,191.08 and 1,061.76

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Solution

The fourth proportional to 2,793, 4,191.08 and 1,061.76 is: 1,593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793 : 4,191.08 = 1,061.76 : x
  2. Step 2: Convert to fraction form
    2,793/4,191.08 = 1,061.76/x
  3. Step 3: Cross multiply
    2,793x = 4,191.08 × 1,061.76
  4. Step 4: Simplify right side
    2,793x = 4,449,921.10
  5. Step 5: Solve for x
    x = 4,449,921.10/2,793
  6. Step 6: Final answer
    x = 1,593.24

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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.