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Finding the Fourth Proportional to 2,092.09, 3,138.60 and 793.57

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Solution

The fourth proportional to 2,092.09, 3,138.60 and 793.57 is: 1,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,092.09 : 3,138.60 = 793.57 : x
  2. Step 2: Convert to fraction form
    2,092.09/3,138.60 = 793.57/x
  3. Step 3: Cross multiply
    2,092.09x = 3,138.60 × 793.57
  4. Step 4: Simplify right side
    2,092.09x = 2,490,698.80
  5. Step 5: Solve for x
    x = 2,490,698.80/2,092.09
  6. Step 6: Final answer
    x = 1,190.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.