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Finding the Fourth Proportional to 11,954.07, 17,930.95 and 5,375.61

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Solution

The fourth proportional to 11,954.07, 17,930.95 and 5,375.61 is: 8,063.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,954.07 : 17,930.95 = 5,375.61 : x
  2. Step 2: Convert to fraction form
    11,954.07/17,930.95 = 5,375.61/x
  3. Step 3: Cross multiply
    11,954.07x = 17,930.95 × 5,375.61
  4. Step 4: Simplify right side
    11,954.07x = 96,389,780.69
  5. Step 5: Solve for x
    x = 96,389,780.69/11,954.07
  6. Step 6: Final answer
    x = 8,063.34

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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.