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Finding the Fourth Proportional to 50,520.87, 69,722.78 and 27,861.93

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Solution

The fourth proportional to 50,520.87, 69,722.78 and 27,861.93 is: 38,451.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,520.87 : 69,722.78 = 27,861.93 : x
  2. Step 2: Convert to fraction form
    50,520.87/69,722.78 = 27,861.93/x
  3. Step 3: Cross multiply
    50,520.87x = 69,722.78 × 27,861.93
  4. Step 4: Simplify right side
    50,520.87x = 1,942,611,076.46
  5. Step 5: Solve for x
    x = 1,942,611,076.46/50,520.87
  6. Step 6: Final answer
    x = 38,451.66

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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.