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Finding the Fourth Proportional to 11,958.39, 17,936.19 and 3,193.99

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Solution

The fourth proportional to 11,958.39, 17,936.19 and 3,193.99 is: 4,790.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.39 : 17,936.19 = 3,193.99 : x
  2. Step 2: Convert to fraction form
    11,958.39/17,936.19 = 3,193.99/x
  3. Step 3: Cross multiply
    11,958.39x = 17,936.19 × 3,193.99
  4. Step 4: Simplify right side
    11,958.39x = 57,287,966.66
  5. Step 5: Solve for x
    x = 57,287,966.66/11,958.39
  6. Step 6: Final answer
    x = 4,790.61

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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.