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Finding the Fourth Proportional to 4,944.55, 7,408.61 and 3,480.62

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Solution

The fourth proportional to 4,944.55, 7,408.61 and 3,480.62 is: 5,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,944.55 : 7,408.61 = 3,480.62 : x
  2. Step 2: Convert to fraction form
    4,944.55/7,408.61 = 3,480.62/x
  3. Step 3: Cross multiply
    4,944.55x = 7,408.61 × 3,480.62
  4. Step 4: Simplify right side
    4,944.55x = 25,786,556.14
  5. Step 5: Solve for x
    x = 25,786,556.14/4,944.55
  6. Step 6: Final answer
    x = 5,215.15

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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.