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Finding the Fourth Proportional to 3,367.82, 5,048.60 and 1,720.73

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Solution

The fourth proportional to 3,367.82, 5,048.60 and 1,720.73 is: 2,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.82 : 5,048.60 = 1,720.73 : x
  2. Step 2: Convert to fraction form
    3,367.82/5,048.60 = 1,720.73/x
  3. Step 3: Cross multiply
    3,367.82x = 5,048.60 × 1,720.73
  4. Step 4: Simplify right side
    3,367.82x = 8,687,243.63
  5. Step 5: Solve for x
    x = 8,687,243.63/3,367.82
  6. Step 6: Final answer
    x = 2,579.49

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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.