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Finding the Fourth Proportional to 22,227, 30,674.22 and 12,291

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Solution

The fourth proportional to 22,227, 30,674.22 and 12,291 is: 16,962.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,227 : 30,674.22 = 12,291 : x
  2. Step 2: Convert to fraction form
    22,227/30,674.22 = 12,291/x
  3. Step 3: Cross multiply
    22,227x = 30,674.22 × 12,291
  4. Step 4: Simplify right side
    22,227x = 377,016,838.02
  5. Step 5: Solve for x
    x = 377,016,838.02/22,227
  6. Step 6: Final answer
    x = 16,962.11

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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.