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Finding the Fourth Proportional to 41,993.68, 62,996.28 and 12,413.84

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Solution

The fourth proportional to 41,993.68, 62,996.28 and 12,413.84 is: 18,622.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,993.68 : 62,996.28 = 12,413.84 : x
  2. Step 2: Convert to fraction form
    41,993.68/62,996.28 = 12,413.84/x
  3. Step 3: Cross multiply
    41,993.68x = 62,996.28 × 12,413.84
  4. Step 4: Simplify right side
    41,993.68x = 782,025,740.52
  5. Step 5: Solve for x
    x = 782,025,740.52/41,993.68
  6. Step 6: Final answer
    x = 18,622.46

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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.