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Finding the Fourth Proportional to 17,969.84, 26,951.11 and 4,819.13

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Solution

The fourth proportional to 17,969.84, 26,951.11 and 4,819.13 is: 7,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,969.84 : 26,951.11 = 4,819.13 : x
  2. Step 2: Convert to fraction form
    17,969.84/26,951.11 = 4,819.13/x
  3. Step 3: Cross multiply
    17,969.84x = 26,951.11 × 4,819.13
  4. Step 4: Simplify right side
    17,969.84x = 129,880,755.93
  5. Step 5: Solve for x
    x = 129,880,755.93/17,969.84
  6. Step 6: Final answer
    x = 7,227.71

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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.