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Finding the Fourth Proportional to 11,906.23, 17,867.54 and 5,339.76

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Solution

The fourth proportional to 11,906.23, 17,867.54 and 5,339.76 is: 8,013.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,906.23 : 17,867.54 = 5,339.76 : x
  2. Step 2: Convert to fraction form
    11,906.23/17,867.54 = 5,339.76/x
  3. Step 3: Cross multiply
    11,906.23x = 17,867.54 × 5,339.76
  4. Step 4: Simplify right side
    11,906.23x = 95,408,375.39
  5. Step 5: Solve for x
    x = 95,408,375.39/11,906.23
  6. Step 6: Final answer
    x = 8,013.32

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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.