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Finding the Fourth Proportional to 19,944.01, 29,906.12 and 11,626.12

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Solution

The fourth proportional to 19,944.01, 29,906.12 and 11,626.12 is: 17,433.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,944.01 : 29,906.12 = 11,626.12 : x
  2. Step 2: Convert to fraction form
    19,944.01/29,906.12 = 11,626.12/x
  3. Step 3: Cross multiply
    19,944.01x = 29,906.12 × 11,626.12
  4. Step 4: Simplify right side
    19,944.01x = 347,692,081.72
  5. Step 5: Solve for x
    x = 347,692,081.72/19,944.01
  6. Step 6: Final answer
    x = 17,433.41

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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.