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Finding the Fourth Proportional to 33,701.20, 50,593.40 and 21,221.20

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Solution

The fourth proportional to 33,701.20, 50,593.40 and 21,221.20 is: 31,857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,701.20 : 50,593.40 = 21,221.20 : x
  2. Step 2: Convert to fraction form
    33,701.20/50,593.40 = 21,221.20/x
  3. Step 3: Cross multiply
    33,701.20x = 50,593.40 × 21,221.20
  4. Step 4: Simplify right side
    33,701.20x = 1,073,652,660.08
  5. Step 5: Solve for x
    x = 1,073,652,660.08/33,701.20
  6. Step 6: Final answer
    x = 31,857.99

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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.