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Finding the Fourth Proportional to 16,061.05, 22,163.77 and 8,891.26

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Solution

The fourth proportional to 16,061.05, 22,163.77 and 8,891.26 is: 12,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,061.05 : 22,163.77 = 8,891.26 : x
  2. Step 2: Convert to fraction form
    16,061.05/22,163.77 = 8,891.26/x
  3. Step 3: Cross multiply
    16,061.05x = 22,163.77 × 8,891.26
  4. Step 4: Simplify right side
    16,061.05x = 197,063,841.65
  5. Step 5: Solve for x
    x = 197,063,841.65/16,061.05
  6. Step 6: Final answer
    x = 12,269.67

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