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Finding the Fourth Proportional to 5,993.69, 8,979.74 and 3,217.42

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Solution

The fourth proportional to 5,993.69, 8,979.74 and 3,217.42 is: 4,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,993.69 : 8,979.74 = 3,217.42 : x
  2. Step 2: Convert to fraction form
    5,993.69/8,979.74 = 3,217.42/x
  3. Step 3: Cross multiply
    5,993.69x = 8,979.74 × 3,217.42
  4. Step 4: Simplify right side
    5,993.69x = 28,891,534.09
  5. Step 5: Solve for x
    x = 28,891,534.09/5,993.69
  6. Step 6: Final answer
    x = 4,820.33

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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.