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Finding the Fourth Proportional to 36,413.86, 54,642.03 and 15,352.60

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Solution

The fourth proportional to 36,413.86, 54,642.03 and 15,352.60 is: 23,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,413.86 : 54,642.03 = 15,352.60 : x
  2. Step 2: Convert to fraction form
    36,413.86/54,642.03 = 15,352.60/x
  3. Step 3: Cross multiply
    36,413.86x = 54,642.03 × 15,352.60
  4. Step 4: Simplify right side
    36,413.86x = 838,897,229.78
  5. Step 5: Solve for x
    x = 838,897,229.78/36,413.86
  6. Step 6: Final answer
    x = 23,037.86

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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.