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Finding the Fourth Proportional to 1,452.98, 2,177.70 and 793.28

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Solution

The fourth proportional to 1,452.98, 2,177.70 and 793.28 is: 1,188.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,452.98 : 2,177.70 = 793.28 : x
  2. Step 2: Convert to fraction form
    1,452.98/2,177.70 = 793.28/x
  3. Step 3: Cross multiply
    1,452.98x = 2,177.70 × 793.28
  4. Step 4: Simplify right side
    1,452.98x = 1,727,525.86
  5. Step 5: Solve for x
    x = 1,727,525.86/1,452.98
  6. Step 6: Final answer
    x = 1,188.95

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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.