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Finding the Fourth Proportional to 3,273.67, 4,910.55 and 965.17

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Solution

The fourth proportional to 3,273.67, 4,910.55 and 965.17 is: 1,447.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,273.67 : 4,910.55 = 965.17 : x
  2. Step 2: Convert to fraction form
    3,273.67/4,910.55 = 965.17/x
  3. Step 3: Cross multiply
    3,273.67x = 4,910.55 × 965.17
  4. Step 4: Simplify right side
    3,273.67x = 4,739,515.54
  5. Step 5: Solve for x
    x = 4,739,515.54/3,273.67
  6. Step 6: Final answer
    x = 1,447.77

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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.