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Finding the Fourth Proportional to 3,518.44, 5,273.34 and 3,086.44

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Solution

The fourth proportional to 3,518.44, 5,273.34 and 3,086.44 is: 4,625.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.44 : 5,273.34 = 3,086.44 : x
  2. Step 2: Convert to fraction form
    3,518.44/5,273.34 = 3,086.44/x
  3. Step 3: Cross multiply
    3,518.44x = 5,273.34 × 3,086.44
  4. Step 4: Simplify right side
    3,518.44x = 16,275,847.51
  5. Step 5: Solve for x
    x = 16,275,847.51/3,518.44
  6. Step 6: Final answer
    x = 4,625.87

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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.