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Finding the Fourth Proportional to 50,751.60, 75,781.98 and 44,778.66

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Solution

The fourth proportional to 50,751.60, 75,781.98 and 44,778.66 is: 66,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,751.60 : 75,781.98 = 44,778.66 : x
  2. Step 2: Convert to fraction form
    50,751.60/75,781.98 = 44,778.66/x
  3. Step 3: Cross multiply
    50,751.60x = 75,781.98 × 44,778.66
  4. Step 4: Simplify right side
    50,751.60x = 3,393,415,516.55
  5. Step 5: Solve for x
    x = 3,393,415,516.55/50,751.60
  6. Step 6: Final answer
    x = 66,863.22

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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.