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Finding the Fourth Proportional to 33,718.98, 50,584.98 and 12,940.86

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Solution

The fourth proportional to 33,718.98, 50,584.98 and 12,940.86 is: 19,413.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,718.98 : 50,584.98 = 12,940.86 : x
  2. Step 2: Convert to fraction form
    33,718.98/50,584.98 = 12,940.86/x
  3. Step 3: Cross multiply
    33,718.98x = 50,584.98 × 12,940.86
  4. Step 4: Simplify right side
    33,718.98x = 654,613,144.28
  5. Step 5: Solve for x
    x = 654,613,144.28/33,718.98
  6. Step 6: Final answer
    x = 19,413.79

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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.