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Finding the Fourth Proportional to 18,344.98, 27,514.15 and 8,347.37

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Solution

The fourth proportional to 18,344.98, 27,514.15 and 8,347.37 is: 12,519.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,344.98 : 27,514.15 = 8,347.37 : x
  2. Step 2: Convert to fraction form
    18,344.98/27,514.15 = 8,347.37/x
  3. Step 3: Cross multiply
    18,344.98x = 27,514.15 × 8,347.37
  4. Step 4: Simplify right side
    18,344.98x = 229,670,790.29
  5. Step 5: Solve for x
    x = 229,670,790.29/18,344.98
  6. Step 6: Final answer
    x = 12,519.54

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1.5x scale

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.