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Finding the Fourth Proportional to 6,163.69, 9,251.69 and 2,879.09

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Solution

The fourth proportional to 6,163.69, 9,251.69 and 2,879.09 is: 4,321.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,163.69 : 9,251.69 = 2,879.09 : x
  2. Step 2: Convert to fraction form
    6,163.69/9,251.69 = 2,879.09/x
  3. Step 3: Cross multiply
    6,163.69x = 9,251.69 × 2,879.09
  4. Step 4: Simplify right side
    6,163.69x = 26,636,448.16
  5. Step 5: Solve for x
    x = 26,636,448.16/6,163.69
  6. Step 6: Final answer
    x = 4,321.51

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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.