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Finding the Fourth Proportional to 3,995.22, 5,976.77 and 3,453.22

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Solution

The fourth proportional to 3,995.22, 5,976.77 and 3,453.22 is: 5,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.22 : 5,976.77 = 3,453.22 : x
  2. Step 2: Convert to fraction form
    3,995.22/5,976.77 = 3,453.22/x
  3. Step 3: Cross multiply
    3,995.22x = 5,976.77 × 3,453.22
  4. Step 4: Simplify right side
    3,995.22x = 20,639,101.70
  5. Step 5: Solve for x
    x = 20,639,101.70/3,995.22
  6. Step 6: Final answer
    x = 5,165.95

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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.