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Finding the Fourth Proportional to 33,518.79, 50,201.10 and 18,694.89

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Solution

The fourth proportional to 33,518.79, 50,201.10 and 18,694.89 is: 27,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,518.79 : 50,201.10 = 18,694.89 : x
  2. Step 2: Convert to fraction form
    33,518.79/50,201.10 = 18,694.89/x
  3. Step 3: Cross multiply
    33,518.79x = 50,201.10 × 18,694.89
  4. Step 4: Simplify right side
    33,518.79x = 938,504,042.38
  5. Step 5: Solve for x
    x = 938,504,042.38/33,518.79
  6. Step 6: Final answer
    x = 27,999.34

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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.