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Finding the Fourth Proportional to 9,251.91, 13,879.80 and 3,329.09

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Solution

The fourth proportional to 9,251.91, 13,879.80 and 3,329.09 is: 4,994.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.91 : 13,879.80 = 3,329.09 : x
  2. Step 2: Convert to fraction form
    9,251.91/13,879.80 = 3,329.09/x
  3. Step 3: Cross multiply
    9,251.91x = 13,879.80 × 3,329.09
  4. Step 4: Simplify right side
    9,251.91x = 46,207,103.38
  5. Step 5: Solve for x
    x = 46,207,103.38/9,251.91
  6. Step 6: Final answer
    x = 4,994.33

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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.