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Finding the Fourth Proportional to 5,939.67, 8,203.23 and 3,958.65

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Solution

The fourth proportional to 5,939.67, 8,203.23 and 3,958.65 is: 5,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.67 : 8,203.23 = 3,958.65 : x
  2. Step 2: Convert to fraction form
    5,939.67/8,203.23 = 3,958.65/x
  3. Step 3: Cross multiply
    5,939.67x = 8,203.23 × 3,958.65
  4. Step 4: Simplify right side
    5,939.67x = 32,473,716.44
  5. Step 5: Solve for x
    x = 32,473,716.44/5,939.67
  6. Step 6: Final answer
    x = 5,467.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.