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Finding the Fourth Proportional to 4,944.62, 7,408.70 and 3,480.69

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Solution

The fourth proportional to 4,944.62, 7,408.70 and 3,480.69 is: 5,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,944.62 : 7,408.70 = 3,480.69 : x
  2. Step 2: Convert to fraction form
    4,944.62/7,408.70 = 3,480.69/x
  3. Step 3: Cross multiply
    4,944.62x = 7,408.70 × 3,480.69
  4. Step 4: Simplify right side
    4,944.62x = 25,787,370.60
  5. Step 5: Solve for x
    x = 25,787,370.60/4,944.62
  6. Step 6: Final answer
    x = 5,215.24

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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.