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Finding the Fourth Proportional to 2,793.43, 4,190.11 and 1,062.06

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Solution

The fourth proportional to 2,793.43, 4,190.11 and 1,062.06 is: 1,593.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.43 : 4,190.11 = 1,062.06 : x
  2. Step 2: Convert to fraction form
    2,793.43/4,190.11 = 1,062.06/x
  3. Step 3: Cross multiply
    2,793.43x = 4,190.11 × 1,062.06
  4. Step 4: Simplify right side
    2,793.43x = 4,450,148.23
  5. Step 5: Solve for x
    x = 4,450,148.23/2,793.43
  6. Step 6: Final answer
    x = 1,593.08

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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.