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Finding the Fourth Proportional to 50,091.20, 69,096.84 and 29,679.20

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Solution

The fourth proportional to 50,091.20, 69,096.84 and 29,679.20 is: 40,940.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,091.20 : 69,096.84 = 29,679.20 : x
  2. Step 2: Convert to fraction form
    50,091.20/69,096.84 = 29,679.20/x
  3. Step 3: Cross multiply
    50,091.20x = 69,096.84 × 29,679.20
  4. Step 4: Simplify right side
    50,091.20x = 2,050,738,933.73
  5. Step 5: Solve for x
    x = 2,050,738,933.73/50,091.20
  6. Step 6: Final answer
    x = 40,940.10

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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.