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Finding the Fourth Proportional to 11,082, 16,623 and 2,874

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Solution

The fourth proportional to 11,082, 16,623 and 2,874 is: 4,311

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,082 : 16,623 = 2,874 : x
  2. Step 2: Convert to fraction form
    11,082/16,623 = 2,874/x
  3. Step 3: Cross multiply
    11,082x = 16,623 × 2,874
  4. Step 4: Simplify right side
    11,082x = 47,774,502
  5. Step 5: Solve for x
    x = 47,774,502/11,082
  6. Step 6: Final answer
    x = 4,311

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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.