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Finding the Fourth Proportional to 50,991.79, 70,311.94 and 34,861.73

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Solution

The fourth proportional to 50,991.79, 70,311.94 and 34,861.73 is: 48,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,991.79 : 70,311.94 = 34,861.73 : x
  2. Step 2: Convert to fraction form
    50,991.79/70,311.94 = 34,861.73/x
  3. Step 3: Cross multiply
    50,991.79x = 70,311.94 × 34,861.73
  4. Step 4: Simplify right side
    50,991.79x = 2,451,195,380.32
  5. Step 5: Solve for x
    x = 2,451,195,380.32/50,991.79
  6. Step 6: Final answer
    x = 48,070.40

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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.