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Finding the Fourth Proportional to 12,494.98, 17,246.19 and 8,020.09

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Solution

The fourth proportional to 12,494.98, 17,246.19 and 8,020.09 is: 11,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,494.98 : 17,246.19 = 8,020.09 : x
  2. Step 2: Convert to fraction form
    12,494.98/17,246.19 = 8,020.09/x
  3. Step 3: Cross multiply
    12,494.98x = 17,246.19 × 8,020.09
  4. Step 4: Simplify right side
    12,494.98x = 138,315,995.96
  5. Step 5: Solve for x
    x = 138,315,995.96/12,494.98
  6. Step 6: Final answer
    x = 11,069.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.