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Finding the Fourth Proportional to 5,613.03, 7,734.96 and 3,722.49

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Solution

The fourth proportional to 5,613.03, 7,734.96 and 3,722.49 is: 5,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.03 : 7,734.96 = 3,722.49 : x
  2. Step 2: Convert to fraction form
    5,613.03/7,734.96 = 3,722.49/x
  3. Step 3: Cross multiply
    5,613.03x = 7,734.96 × 3,722.49
  4. Step 4: Simplify right side
    5,613.03x = 28,793,311.25
  5. Step 5: Solve for x
    x = 28,793,311.25/5,613.03
  6. Step 6: Final answer
    x = 5,129.73

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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.