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Finding the Fourth Proportional to 6,755.07, 9,321.96 and 3,923.14

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Solution

The fourth proportional to 6,755.07, 9,321.96 and 3,923.14 is: 5,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755.07 : 9,321.96 = 3,923.14 : x
  2. Step 2: Convert to fraction form
    6,755.07/9,321.96 = 3,923.14/x
  3. Step 3: Cross multiply
    6,755.07x = 9,321.96 × 3,923.14
  4. Step 4: Simplify right side
    6,755.07x = 36,571,375.61
  5. Step 5: Solve for x
    x = 36,571,375.61/6,755.07
  6. Step 6: Final answer
    x = 5,413.91

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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.