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Finding the Fourth Proportional to 80,297.82, 120,454.92 and 27,707.15

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Solution

The fourth proportional to 80,297.82, 120,454.92 and 27,707.15 is: 41,563.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,297.82 : 120,454.92 = 27,707.15 : x
  2. Step 2: Convert to fraction form
    80,297.82/120,454.92 = 27,707.15/x
  3. Step 3: Cross multiply
    80,297.82x = 120,454.92 × 27,707.15
  4. Step 4: Simplify right side
    80,297.82x = 3,337,461,934.40
  5. Step 5: Solve for x
    x = 3,337,461,934.40/80,297.82
  6. Step 6: Final answer
    x = 41,563.54

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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.