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Finding the Fourth Proportional to 33,955.97, 50,983.92 and 18,992.39

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Solution

The fourth proportional to 33,955.97, 50,983.92 and 18,992.39 is: 28,516.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,955.97 : 50,983.92 = 18,992.39 : x
  2. Step 2: Convert to fraction form
    33,955.97/50,983.92 = 18,992.39/x
  3. Step 3: Cross multiply
    33,955.97x = 50,983.92 × 18,992.39
  4. Step 4: Simplify right side
    33,955.97x = 968,306,237.45
  5. Step 5: Solve for x
    x = 968,306,237.45/33,955.97
  6. Step 6: Final answer
    x = 28,516.53

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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.