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Finding the Fourth Proportional to 50,884.80, 76,243.68 and 48,940.80

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Solution

The fourth proportional to 50,884.80, 76,243.68 and 48,940.80 is: 73,330.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,884.80 : 76,243.68 = 48,940.80 : x
  2. Step 2: Convert to fraction form
    50,884.80/76,243.68 = 48,940.80/x
  3. Step 3: Cross multiply
    50,884.80x = 76,243.68 × 48,940.80
  4. Step 4: Simplify right side
    50,884.80x = 3,731,426,694.14
  5. Step 5: Solve for x
    x = 3,731,426,694.14/50,884.80
  6. Step 6: Final answer
    x = 73,330.87

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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.