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Finding the Fourth Proportional to 27,998.03, 41,997.86 and 9,286.22

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Solution

The fourth proportional to 27,998.03, 41,997.86 and 9,286.22 is: 13,929.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.03 : 41,997.86 = 9,286.22 : x
  2. Step 2: Convert to fraction form
    27,998.03/41,997.86 = 9,286.22/x
  3. Step 3: Cross multiply
    27,998.03x = 41,997.86 × 9,286.22
  4. Step 4: Simplify right side
    27,998.03x = 390,001,367.49
  5. Step 5: Solve for x
    x = 390,001,367.49/27,998.03
  6. Step 6: Final answer
    x = 13,929.60

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Double scale
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Similar ratio
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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.