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Finding the Fourth Proportional to 33,563.20, 50,301.60 and 20,401.60

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Solution

The fourth proportional to 33,563.20, 50,301.60 and 20,401.60 is: 30,576.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,563.20 : 50,301.60 = 20,401.60 : x
  2. Step 2: Convert to fraction form
    33,563.20/50,301.60 = 20,401.60/x
  3. Step 3: Cross multiply
    33,563.20x = 50,301.60 × 20,401.60
  4. Step 4: Simplify right side
    33,563.20x = 1,026,233,122.56
  5. Step 5: Solve for x
    x = 1,026,233,122.56/33,563.20
  6. Step 6: Final answer
    x = 30,576.14

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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.