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Finding the Fourth Proportional to 50,649.97, 69,901.17 and 27,993.39

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Solution

The fourth proportional to 50,649.97, 69,901.17 and 27,993.39 is: 38,633.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,649.97 : 69,901.17 = 27,993.39 : x
  2. Step 2: Convert to fraction form
    50,649.97/69,901.17 = 27,993.39/x
  3. Step 3: Cross multiply
    50,649.97x = 69,901.17 × 27,993.39
  4. Step 4: Simplify right side
    50,649.97x = 1,956,770,634.69
  5. Step 5: Solve for x
    x = 1,956,770,634.69/50,649.97
  6. Step 6: Final answer
    x = 38,633.20

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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.