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Finding the Fourth Proportional to 11,894.67, 17,843.63 and 4,104.09

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Solution

The fourth proportional to 11,894.67, 17,843.63 and 4,104.09 is: 6,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.67 : 17,843.63 = 4,104.09 : x
  2. Step 2: Convert to fraction form
    11,894.67/17,843.63 = 4,104.09/x
  3. Step 3: Cross multiply
    11,894.67x = 17,843.63 × 4,104.09
  4. Step 4: Simplify right side
    11,894.67x = 73,231,842.93
  5. Step 5: Solve for x
    x = 73,231,842.93/11,894.67
  6. Step 6: Final answer
    x = 6,156.69

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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.