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Finding the Fourth Proportional to 50,728.41, 75,956.49 and 41,329.98

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Solution

The fourth proportional to 50,728.41, 75,956.49 and 41,329.98 is: 61,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,728.41 : 75,956.49 = 41,329.98 : x
  2. Step 2: Convert to fraction form
    50,728.41/75,956.49 = 41,329.98/x
  3. Step 3: Cross multiply
    50,728.41x = 75,956.49 × 41,329.98
  4. Step 4: Simplify right side
    50,728.41x = 3,139,280,212.57
  5. Step 5: Solve for x
    x = 3,139,280,212.57/50,728.41
  6. Step 6: Final answer
    x = 61,884.06

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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.