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Finding the Fourth Proportional to 36,673.75, 50,609.78 and 19,906.75

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Solution

The fourth proportional to 36,673.75, 50,609.78 and 19,906.75 is: 27,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,673.75 : 50,609.78 = 19,906.75 : x
  2. Step 2: Convert to fraction form
    36,673.75/50,609.78 = 19,906.75/x
  3. Step 3: Cross multiply
    36,673.75x = 50,609.78 × 19,906.75
  4. Step 4: Simplify right side
    36,673.75x = 1,007,476,238.02
  5. Step 5: Solve for x
    x = 1,007,476,238.02/36,673.75
  6. Step 6: Final answer
    x = 27,471.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.