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Finding the Fourth Proportional to 4,906.70, 7,360.05 and 3,257.90

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Solution

The fourth proportional to 4,906.70, 7,360.05 and 3,257.90 is: 4,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.70 : 7,360.05 = 3,257.90 : x
  2. Step 2: Convert to fraction form
    4,906.70/7,360.05 = 3,257.90/x
  3. Step 3: Cross multiply
    4,906.70x = 7,360.05 × 3,257.90
  4. Step 4: Simplify right side
    4,906.70x = 23,978,306.90
  5. Step 5: Solve for x
    x = 23,978,306.90/4,906.70
  6. Step 6: Final answer
    x = 4,886.85

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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.