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Finding the Fourth Proportional to 53,472.56, 80,227.06 and 20,202.21

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Solution

The fourth proportional to 53,472.56, 80,227.06 and 20,202.21 is: 30,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,472.56 : 80,227.06 = 20,202.21 : x
  2. Step 2: Convert to fraction form
    53,472.56/80,227.06 = 20,202.21/x
  3. Step 3: Cross multiply
    53,472.56x = 80,227.06 × 20,202.21
  4. Step 4: Simplify right side
    53,472.56x = 1,620,763,863.30
  5. Step 5: Solve for x
    x = 1,620,763,863.30/53,472.56
  6. Step 6: Final answer
    x = 30,310.20

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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.