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Finding the Fourth Proportional to 65,249.20, 90,050.21 and 36,573.73

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Solution

The fourth proportional to 65,249.20, 90,050.21 and 36,573.73 is: 50,475.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,249.20 : 90,050.21 = 36,573.73 : x
  2. Step 2: Convert to fraction form
    65,249.20/90,050.21 = 36,573.73/x
  3. Step 3: Cross multiply
    65,249.20x = 90,050.21 × 36,573.73
  4. Step 4: Simplify right side
    65,249.20x = 3,293,472,158.42
  5. Step 5: Solve for x
    x = 3,293,472,158.42/65,249.20
  6. Step 6: Final answer
    x = 50,475.29

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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.