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Finding the Fourth Proportional to 50,672.85, 75,638.19 and 44,687.61

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Solution

The fourth proportional to 50,672.85, 75,638.19 and 44,687.61 is: 66,704.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,672.85 : 75,638.19 = 44,687.61 : x
  2. Step 2: Convert to fraction form
    50,672.85/75,638.19 = 44,687.61/x
  3. Step 3: Cross multiply
    50,672.85x = 75,638.19 × 44,687.61
  4. Step 4: Simplify right side
    50,672.85x = 3,380,089,712.39
  5. Step 5: Solve for x
    x = 3,380,089,712.39/50,672.85
  6. Step 6: Final answer
    x = 66,704.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.