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Finding the Fourth Proportional to 17,992.35, 26,994.49 and 5,512.49

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Solution

The fourth proportional to 17,992.35, 26,994.49 and 5,512.49 is: 8,270.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,992.35 : 26,994.49 = 5,512.49 : x
  2. Step 2: Convert to fraction form
    17,992.35/26,994.49 = 5,512.49/x
  3. Step 3: Cross multiply
    17,992.35x = 26,994.49 × 5,512.49
  4. Step 4: Simplify right side
    17,992.35x = 148,806,828.62
  5. Step 5: Solve for x
    x = 148,806,828.62/17,992.35
  6. Step 6: Final answer
    x = 8,270.56

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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.