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Finding the Fourth Proportional to 41,761.62, 62,413.10 and 30,540.60

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Solution

The fourth proportional to 41,761.62, 62,413.10 and 30,540.60 is: 45,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,761.62 : 62,413.10 = 30,540.60 : x
  2. Step 2: Convert to fraction form
    41,761.62/62,413.10 = 30,540.60/x
  3. Step 3: Cross multiply
    41,761.62x = 62,413.10 × 30,540.60
  4. Step 4: Simplify right side
    41,761.62x = 1,906,133,521.86
  5. Step 5: Solve for x
    x = 1,906,133,521.86/41,761.62
  6. Step 6: Final answer
    x = 45,643.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.