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Finding the Fourth Proportional to 27,872.49, 41,821.04 and 11,264.96

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Solution

The fourth proportional to 27,872.49, 41,821.04 and 11,264.96 is: 16,902.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,872.49 : 41,821.04 = 11,264.96 : x
  2. Step 2: Convert to fraction form
    27,872.49/41,821.04 = 11,264.96/x
  3. Step 3: Cross multiply
    27,872.49x = 41,821.04 × 11,264.96
  4. Step 4: Simplify right side
    27,872.49x = 471,112,342.76
  5. Step 5: Solve for x
    x = 471,112,342.76/27,872.49
  6. Step 6: Final answer
    x = 16,902.41

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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.