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Finding the Fourth Proportional to 50,309.99, 69,396.90 and 29,878.17

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Solution

The fourth proportional to 50,309.99, 69,396.90 and 29,878.17 is: 41,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,309.99 : 69,396.90 = 29,878.17 : x
  2. Step 2: Convert to fraction form
    50,309.99/69,396.90 = 29,878.17/x
  3. Step 3: Cross multiply
    50,309.99x = 69,396.90 × 29,878.17
  4. Step 4: Simplify right side
    50,309.99x = 2,073,452,375.67
  5. Step 5: Solve for x
    x = 2,073,452,375.67/50,309.99
  6. Step 6: Final answer
    x = 41,213.54

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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.