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Finding the Fourth Proportional to 11,998.35, 17,997.48 and 9,229.95

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Solution

The fourth proportional to 11,998.35, 17,997.48 and 9,229.95 is: 13,844.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.35 : 17,997.48 = 9,229.95 : x
  2. Step 2: Convert to fraction form
    11,998.35/17,997.48 = 9,229.95/x
  3. Step 3: Cross multiply
    11,998.35x = 17,997.48 × 9,229.95
  4. Step 4: Simplify right side
    11,998.35x = 166,115,840.53
  5. Step 5: Solve for x
    x = 166,115,840.53/11,998.35
  6. Step 6: Final answer
    x = 13,844.89

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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.