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Finding the Fourth Proportional to 37,990, 57,004.44 and 16,936.48

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Solution

The fourth proportional to 37,990, 57,004.44 and 16,936.48 is: 25,413.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,990 : 57,004.44 = 16,936.48 : x
  2. Step 2: Convert to fraction form
    37,990/57,004.44 = 16,936.48/x
  3. Step 3: Cross multiply
    37,990x = 57,004.44 × 16,936.48
  4. Step 4: Simplify right side
    37,990x = 965,454,557.97
  5. Step 5: Solve for x
    x = 965,454,557.97/37,990
  6. Step 6: Final answer
    x = 25,413.39

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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.