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Finding the Fourth Proportional to 67,072.97, 100,516.01 and 50,413.57

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Solution

The fourth proportional to 67,072.97, 100,516.01 and 50,413.57 is: 75,550.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,072.97 : 100,516.01 = 50,413.57 : x
  2. Step 2: Convert to fraction form
    67,072.97/100,516.01 = 50,413.57/x
  3. Step 3: Cross multiply
    67,072.97x = 100,516.01 × 50,413.57
  4. Step 4: Simplify right side
    67,072.97x = 5,067,370,402.90
  5. Step 5: Solve for x
    x = 5,067,370,402.90/67,072.97
  6. Step 6: Final answer
    x = 75,550.11

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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.