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Finding the Fourth Proportional to 64,413.41, 88,845.53 and 62,245.85

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Solution

The fourth proportional to 64,413.41, 88,845.53 and 62,245.85 is: 85,855.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,413.41 : 88,845.53 = 62,245.85 : x
  2. Step 2: Convert to fraction form
    64,413.41/88,845.53 = 62,245.85/x
  3. Step 3: Cross multiply
    64,413.41x = 88,845.53 × 62,245.85
  4. Step 4: Simplify right side
    64,413.41x = 5,530,264,778.09
  5. Step 5: Solve for x
    x = 5,530,264,778.09/64,413.41
  6. Step 6: Final answer
    x = 85,855.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.