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Finding the Fourth Proportional to 11,997.99, 17,996.76 and 6,732.99

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Solution

The fourth proportional to 11,997.99, 17,996.76 and 6,732.99 is: 10,099.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,997.99 : 17,996.76 = 6,732.99 : x
  2. Step 2: Convert to fraction form
    11,997.99/17,996.76 = 6,732.99/x
  3. Step 3: Cross multiply
    11,997.99x = 17,996.76 × 6,732.99
  4. Step 4: Simplify right side
    11,997.99x = 121,172,005.11
  5. Step 5: Solve for x
    x = 121,172,005.11/11,997.99
  6. Step 6: Final answer
    x = 10,099.36

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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.