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Finding the Fourth Proportional to 65,227.88, 90,016.31 and 36,933.57

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Solution

The fourth proportional to 65,227.88, 90,016.31 and 36,933.57 is: 50,969.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,227.88 : 90,016.31 = 36,933.57 : x
  2. Step 2: Convert to fraction form
    65,227.88/90,016.31 = 36,933.57/x
  3. Step 3: Cross multiply
    65,227.88x = 90,016.31 × 36,933.57
  4. Step 4: Simplify right side
    65,227.88x = 3,324,623,778.86
  5. Step 5: Solve for x
    x = 3,324,623,778.86/65,227.88
  6. Step 6: Final answer
    x = 50,969.37

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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.