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Finding the Fourth Proportional to 3,379.76, 4,667.27 and 3,195.69

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Solution

The fourth proportional to 3,379.76, 4,667.27 and 3,195.69 is: 4,413.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.76 : 4,667.27 = 3,195.69 : x
  2. Step 2: Convert to fraction form
    3,379.76/4,667.27 = 3,195.69/x
  3. Step 3: Cross multiply
    3,379.76x = 4,667.27 × 3,195.69
  4. Step 4: Simplify right side
    3,379.76x = 14,915,132.09
  5. Step 5: Solve for x
    x = 14,915,132.09/3,379.76
  6. Step 6: Final answer
    x = 4,413.07

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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.