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Finding the Fourth Proportional to 4,936.38, 7,408.22 and 2,339.32

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Solution

The fourth proportional to 4,936.38, 7,408.22 and 2,339.32 is: 3,510.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,936.38 : 7,408.22 = 2,339.32 : x
  2. Step 2: Convert to fraction form
    4,936.38/7,408.22 = 2,339.32/x
  3. Step 3: Cross multiply
    4,936.38x = 7,408.22 × 2,339.32
  4. Step 4: Simplify right side
    4,936.38x = 17,330,197.21
  5. Step 5: Solve for x
    x = 17,330,197.21/4,936.38
  6. Step 6: Final answer
    x = 3,510.71

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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.