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Finding the Fourth Proportional to 33,979.88, 50,969.82 and 11,798.84

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Solution

The fourth proportional to 33,979.88, 50,969.82 and 11,798.84 is: 17,698.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,979.88 : 50,969.82 = 11,798.84 : x
  2. Step 2: Convert to fraction form
    33,979.88/50,969.82 = 11,798.84/x
  3. Step 3: Cross multiply
    33,979.88x = 50,969.82 × 11,798.84
  4. Step 4: Simplify right side
    33,979.88x = 601,384,751.01
  5. Step 5: Solve for x
    x = 601,384,751.01/33,979.88
  6. Step 6: Final answer
    x = 17,698.26

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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.