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Finding the Fourth Proportional to 43,861.68, 65,850.84 and 20,504.52

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Solution

The fourth proportional to 43,861.68, 65,850.84 and 20,504.52 is: 30,784.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,861.68 : 65,850.84 = 20,504.52 : x
  2. Step 2: Convert to fraction form
    43,861.68/65,850.84 = 20,504.52/x
  3. Step 3: Cross multiply
    43,861.68x = 65,850.84 × 20,504.52
  4. Step 4: Simplify right side
    43,861.68x = 1,350,239,865.80
  5. Step 5: Solve for x
    x = 1,350,239,865.80/43,861.68
  6. Step 6: Final answer
    x = 30,784.04

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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.