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Finding the Fourth Proportional to 48,769.50, 67,302.05 and 26,413.50

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Solution

The fourth proportional to 48,769.50, 67,302.05 and 26,413.50 is: 36,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,769.50 : 67,302.05 = 26,413.50 : x
  2. Step 2: Convert to fraction form
    48,769.50/67,302.05 = 26,413.50/x
  3. Step 3: Cross multiply
    48,769.50x = 67,302.05 × 26,413.50
  4. Step 4: Simplify right side
    48,769.50x = 1,777,682,565.61
  5. Step 5: Solve for x
    x = 1,777,682,565.61/48,769.50
  6. Step 6: Final answer
    x = 36,450.70

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1.5x scale

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.