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Finding the Fourth Proportional to 7,092.80, 10,640.22 and 2,413.24

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Solution

The fourth proportional to 7,092.80, 10,640.22 and 2,413.24 is: 3,620.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.80 : 10,640.22 = 2,413.24 : x
  2. Step 2: Convert to fraction form
    7,092.80/10,640.22 = 2,413.24/x
  3. Step 3: Cross multiply
    7,092.80x = 10,640.22 × 2,413.24
  4. Step 4: Simplify right side
    7,092.80x = 25,677,404.51
  5. Step 5: Solve for x
    x = 25,677,404.51/7,092.80
  6. Step 6: Final answer
    x = 3,620.21

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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.