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Finding the Fourth Proportional to 16,413.29, 22,650.22 and 8,961.29

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Solution

The fourth proportional to 16,413.29, 22,650.22 and 8,961.29 is: 12,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,413.29 : 22,650.22 = 8,961.29 : x
  2. Step 2: Convert to fraction form
    16,413.29/22,650.22 = 8,961.29/x
  3. Step 3: Cross multiply
    16,413.29x = 22,650.22 × 8,961.29
  4. Step 4: Simplify right side
    16,413.29x = 202,975,189.98
  5. Step 5: Solve for x
    x = 202,975,189.98/16,413.29
  6. Step 6: Final answer
    x = 12,366.51

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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.