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Finding the Fourth Proportional to 11,998.99, 17,998.44 and 3,234.79

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Solution

The fourth proportional to 11,998.99, 17,998.44 and 3,234.79 is: 4,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998.99 : 17,998.44 = 3,234.79 : x
  2. Step 2: Convert to fraction form
    11,998.99/17,998.44 = 3,234.79/x
  3. Step 3: Cross multiply
    11,998.99x = 17,998.44 × 3,234.79
  4. Step 4: Simplify right side
    11,998.99x = 58,221,173.73
  5. Step 5: Solve for x
    x = 58,221,173.73/11,998.99
  6. Step 6: Final answer
    x = 4,852.17

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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.