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Finding the Fourth Proportional to 33,619.92, 50,461.13 and 16,991.70

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Solution

The fourth proportional to 33,619.92, 50,461.13 and 16,991.70 is: 25,503.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,619.92 : 50,461.13 = 16,991.70 : x
  2. Step 2: Convert to fraction form
    33,619.92/50,461.13 = 16,991.70/x
  3. Step 3: Cross multiply
    33,619.92x = 50,461.13 × 16,991.70
  4. Step 4: Simplify right side
    33,619.92x = 857,420,382.62
  5. Step 5: Solve for x
    x = 857,420,382.62/33,619.92
  6. Step 6: Final answer
    x = 25,503.34

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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.