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Finding the Fourth Proportional to 33,304.20, 50,004.90 and 13,621.20

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Solution

The fourth proportional to 33,304.20, 50,004.90 and 13,621.20 is: 20,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,304.20 : 50,004.90 = 13,621.20 : x
  2. Step 2: Convert to fraction form
    33,304.20/50,004.90 = 13,621.20/x
  3. Step 3: Cross multiply
    33,304.20x = 50,004.90 × 13,621.20
  4. Step 4: Simplify right side
    33,304.20x = 681,126,743.88
  5. Step 5: Solve for x
    x = 681,126,743.88/33,304.20
  6. Step 6: Final answer
    x = 20,451.68

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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.