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Finding the Fourth Proportional to 22,322.85, 30,805.86 and 12,251.12

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Solution

The fourth proportional to 22,322.85, 30,805.86 and 12,251.12 is: 16,906.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,322.85 : 30,805.86 = 12,251.12 : x
  2. Step 2: Convert to fraction form
    22,322.85/30,805.86 = 12,251.12/x
  3. Step 3: Cross multiply
    22,322.85x = 30,805.86 × 12,251.12
  4. Step 4: Simplify right side
    22,322.85x = 377,406,287.56
  5. Step 5: Solve for x
    x = 377,406,287.56/22,322.85
  6. Step 6: Final answer
    x = 16,906.73

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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.