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Finding the Fourth Proportional to 36,474.84, 50,335.20 and 19,707.84

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Solution

The fourth proportional to 36,474.84, 50,335.20 and 19,707.84 is: 27,196.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,474.84 : 50,335.20 = 19,707.84 : x
  2. Step 2: Convert to fraction form
    36,474.84/50,335.20 = 19,707.84/x
  3. Step 3: Cross multiply
    36,474.84x = 50,335.20 × 19,707.84
  4. Step 4: Simplify right side
    36,474.84x = 991,998,067.97
  5. Step 5: Solve for x
    x = 991,998,067.97/36,474.84
  6. Step 6: Final answer
    x = 27,196.78

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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.