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Finding the Fourth Proportional to 22,175.78, 33,246 and 12,805.16

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Solution

The fourth proportional to 22,175.78, 33,246 and 12,805.16 is: 19,197.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,175.78 : 33,246 = 12,805.16 : x
  2. Step 2: Convert to fraction form
    22,175.78/33,246 = 12,805.16/x
  3. Step 3: Cross multiply
    22,175.78x = 33,246 × 12,805.16
  4. Step 4: Simplify right side
    22,175.78x = 425,720,183.13
  5. Step 5: Solve for x
    x = 425,720,183.13/22,175.78
  6. Step 6: Final answer
    x = 19,197.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.