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Finding the Fourth Proportional to 65,227.53, 90,057.17 and 50,093.03

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Solution

The fourth proportional to 65,227.53, 90,057.17 and 50,093.03 is: 69,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,227.53 : 90,057.17 = 50,093.03 : x
  2. Step 2: Convert to fraction form
    65,227.53/90,057.17 = 50,093.03/x
  3. Step 3: Cross multiply
    65,227.53x = 90,057.17 × 50,093.03
  4. Step 4: Simplify right side
    65,227.53x = 4,511,236,587.13
  5. Step 5: Solve for x
    x = 4,511,236,587.13/65,227.53
  6. Step 6: Final answer
    x = 69,161.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.