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Finding the Fourth Proportional to 80,013.29, 110,413.91 and 49,797.67

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Solution

The fourth proportional to 80,013.29, 110,413.91 and 49,797.67 is: 68,718.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,013.29 : 110,413.91 = 49,797.67 : x
  2. Step 2: Convert to fraction form
    80,013.29/110,413.91 = 49,797.67/x
  3. Step 3: Cross multiply
    80,013.29x = 110,413.91 × 49,797.67
  4. Step 4: Simplify right side
    80,013.29x = 5,498,354,652.53
  5. Step 5: Solve for x
    x = 5,498,354,652.53/80,013.29
  6. Step 6: Final answer
    x = 68,718.02

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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.