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Finding the Fourth Proportional to 22,266.39, 30,727.59 and 12,837.99

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Solution

The fourth proportional to 22,266.39, 30,727.59 and 12,837.99 is: 17,716.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.39 : 30,727.59 = 12,837.99 : x
  2. Step 2: Convert to fraction form
    22,266.39/30,727.59 = 12,837.99/x
  3. Step 3: Cross multiply
    22,266.39x = 30,727.59 × 12,837.99
  4. Step 4: Simplify right side
    22,266.39x = 394,480,493.14
  5. Step 5: Solve for x
    x = 394,480,493.14/22,266.39
  6. Step 6: Final answer
    x = 17,716.41

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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.