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Finding the Fourth Proportional to 33,904.61, 50,862.80 and 11,413.15

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Solution

The fourth proportional to 33,904.61, 50,862.80 and 11,413.15 is: 17,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,904.61 : 50,862.80 = 11,413.15 : x
  2. Step 2: Convert to fraction form
    33,904.61/50,862.80 = 11,413.15/x
  3. Step 3: Cross multiply
    33,904.61x = 50,862.80 × 11,413.15
  4. Step 4: Simplify right side
    33,904.61x = 580,504,708.75
  5. Step 5: Solve for x
    x = 580,504,708.75/33,904.61
  6. Step 6: Final answer
    x = 17,121.70

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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.