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Finding the Fourth Proportional to 48,769.92, 67,302.72 and 26,413.92

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Solution

The fourth proportional to 48,769.92, 67,302.72 and 26,413.92 is: 36,451.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,769.92 : 67,302.72 = 26,413.92 : x
  2. Step 2: Convert to fraction form
    48,769.92/67,302.72 = 26,413.92/x
  3. Step 3: Cross multiply
    48,769.92x = 67,302.72 × 26,413.92
  4. Step 4: Simplify right side
    48,769.92x = 1,777,728,661.86
  5. Step 5: Solve for x
    x = 1,777,728,661.86/48,769.92
  6. Step 6: Final answer
    x = 36,451.33

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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.