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Finding the Fourth Proportional to 11,894.92, 17,844.89 and 4,499.22

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Solution

The fourth proportional to 11,894.92, 17,844.89 and 4,499.22 is: 6,749.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,894.92 : 17,844.89 = 4,499.22 : x
  2. Step 2: Convert to fraction form
    11,894.92/17,844.89 = 4,499.22/x
  3. Step 3: Cross multiply
    11,894.92x = 17,844.89 × 4,499.22
  4. Step 4: Simplify right side
    11,894.92x = 80,288,063.49
  5. Step 5: Solve for x
    x = 80,288,063.49/11,894.92
  6. Step 6: Final answer
    x = 6,749.78

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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.