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Finding the Fourth Proportional to 11,092, 16,638 and 2,884

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Solution

The fourth proportional to 11,092, 16,638 and 2,884 is: 4,326

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,092 : 16,638 = 2,884 : x
  2. Step 2: Convert to fraction form
    11,092/16,638 = 2,884/x
  3. Step 3: Cross multiply
    11,092x = 16,638 × 2,884
  4. Step 4: Simplify right side
    11,092x = 47,983,992
  5. Step 5: Solve for x
    x = 47,983,992/11,092
  6. Step 6: Final answer
    x = 4,326

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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.