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Finding the Fourth Proportional to 3,995.46, 5,993.13 and 1,222.22

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Solution

The fourth proportional to 3,995.46, 5,993.13 and 1,222.22 is: 1,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,995.46 : 5,993.13 = 1,222.22 : x
  2. Step 2: Convert to fraction form
    3,995.46/5,993.13 = 1,222.22/x
  3. Step 3: Cross multiply
    3,995.46x = 5,993.13 × 1,222.22
  4. Step 4: Simplify right side
    3,995.46x = 7,324,893.38
  5. Step 5: Solve for x
    x = 7,324,893.38/3,995.46
  6. Step 6: Final answer
    x = 1,833.31

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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.