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Finding the Fourth Proportional to 3,270.99, 4,906.94 and 1,517.70

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Solution

The fourth proportional to 3,270.99, 4,906.94 and 1,517.70 is: 2,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,270.99 : 4,906.94 = 1,517.70 : x
  2. Step 2: Convert to fraction form
    3,270.99/4,906.94 = 1,517.70/x
  3. Step 3: Cross multiply
    3,270.99x = 4,906.94 × 1,517.70
  4. Step 4: Simplify right side
    3,270.99x = 7,447,255.25
  5. Step 5: Solve for x
    x = 7,447,255.25/3,270.99
  6. Step 6: Final answer
    x = 2,276.76

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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.