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Finding the Fourth Proportional to 3,900.22, 5,850.33 and 1,433.97

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Solution

The fourth proportional to 3,900.22, 5,850.33 and 1,433.97 is: 2,150.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,900.22 : 5,850.33 = 1,433.97 : x
  2. Step 2: Convert to fraction form
    3,900.22/5,850.33 = 1,433.97/x
  3. Step 3: Cross multiply
    3,900.22x = 5,850.33 × 1,433.97
  4. Step 4: Simplify right side
    3,900.22x = 8,389,192.33
  5. Step 5: Solve for x
    x = 8,389,192.33/3,900.22
  6. Step 6: Final answer
    x = 2,150.96

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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.