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Finding the Fourth Proportional to 3,728.92, 5,593.92 and 1,132.08

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Solution

The fourth proportional to 3,728.92, 5,593.92 and 1,132.08 is: 1,698.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.92 : 5,593.92 = 1,132.08 : x
  2. Step 2: Convert to fraction form
    3,728.92/5,593.92 = 1,132.08/x
  3. Step 3: Cross multiply
    3,728.92x = 5,593.92 × 1,132.08
  4. Step 4: Simplify right side
    3,728.92x = 6,332,764.95
  5. Step 5: Solve for x
    x = 6,332,764.95/3,728.92
  6. Step 6: Final answer
    x = 1,698.28

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1.5x scale

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.