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Finding the Fourth Proportional to 5,600.68, 7,729.13 and 3,363.55

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Solution

The fourth proportional to 5,600.68, 7,729.13 and 3,363.55 is: 4,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.68 : 7,729.13 = 3,363.55 : x
  2. Step 2: Convert to fraction form
    5,600.68/7,729.13 = 3,363.55/x
  3. Step 3: Cross multiply
    5,600.68x = 7,729.13 × 3,363.55
  4. Step 4: Simplify right side
    5,600.68x = 25,997,304.30
  5. Step 5: Solve for x
    x = 25,997,304.30/5,600.68
  6. Step 6: Final answer
    x = 4,641.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.