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Finding the Fourth Proportional to 17,279.98, 25,927.26 and 8,514.98

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Solution

The fourth proportional to 17,279.98, 25,927.26 and 8,514.98 is: 12,776.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,279.98 : 25,927.26 = 8,514.98 : x
  2. Step 2: Convert to fraction form
    17,279.98/25,927.26 = 8,514.98/x
  3. Step 3: Cross multiply
    17,279.98x = 25,927.26 × 8,514.98
  4. Step 4: Simplify right side
    17,279.98x = 220,770,100.35
  5. Step 5: Solve for x
    x = 220,770,100.35/17,279.98
  6. Step 6: Final answer
    x = 12,776.06

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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.