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Finding the Fourth Proportional to 50,678.69, 75,985.83 and 44,451.20

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Solution

The fourth proportional to 50,678.69, 75,985.83 and 44,451.20 is: 66,648.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,678.69 : 75,985.83 = 44,451.20 : x
  2. Step 2: Convert to fraction form
    50,678.69/75,985.83 = 44,451.20/x
  3. Step 3: Cross multiply
    50,678.69x = 75,985.83 × 44,451.20
  4. Step 4: Simplify right side
    50,678.69x = 3,377,661,516.46
  5. Step 5: Solve for x
    x = 3,377,661,516.46/50,678.69
  6. Step 6: Final answer
    x = 66,648.56

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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.