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Finding the Fourth Proportional to 793.62, 1,184.14 and 789.03

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Solution

The fourth proportional to 793.62, 1,184.14 and 789.03 is: 1,177.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.62 : 1,184.14 = 789.03 : x
  2. Step 2: Convert to fraction form
    793.62/1,184.14 = 789.03/x
  3. Step 3: Cross multiply
    793.62x = 1,184.14 × 789.03
  4. Step 4: Simplify right side
    793.62x = 934,321.98
  5. Step 5: Solve for x
    x = 934,321.98/793.62
  6. Step 6: Final answer
    x = 1,177.29

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.