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Finding the Fourth Proportional to 17,891.67, 26,821.08 and 6,196.71

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Solution

The fourth proportional to 17,891.67, 26,821.08 and 6,196.71 is: 9,289.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,891.67 : 26,821.08 = 6,196.71 : x
  2. Step 2: Convert to fraction form
    17,891.67/26,821.08 = 6,196.71/x
  3. Step 3: Cross multiply
    17,891.67x = 26,821.08 × 6,196.71
  4. Step 4: Simplify right side
    17,891.67x = 166,202,454.65
  5. Step 5: Solve for x
    x = 166,202,454.65/17,891.67
  6. Step 6: Final answer
    x = 9,289.38

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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.