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Finding the Fourth Proportional to 22,128, 33,192 and 7,536

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Solution

The fourth proportional to 22,128, 33,192 and 7,536 is: 11,304

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,128 : 33,192 = 7,536 : x
  2. Step 2: Convert to fraction form
    22,128/33,192 = 7,536/x
  3. Step 3: Cross multiply
    22,128x = 33,192 × 7,536
  4. Step 4: Simplify right side
    22,128x = 250,134,912
  5. Step 5: Solve for x
    x = 250,134,912/22,128
  6. Step 6: Final answer
    x = 11,304

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Why These Related Problems?

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