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Finding the Fourth Proportional to 41,339.91, 61,960.65 and 28,791.99

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Solution

The fourth proportional to 41,339.91, 61,960.65 and 28,791.99 is: 43,153.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,339.91 : 61,960.65 = 28,791.99 : x
  2. Step 2: Convert to fraction form
    41,339.91/61,960.65 = 28,791.99/x
  3. Step 3: Cross multiply
    41,339.91x = 61,960.65 × 28,791.99
  4. Step 4: Simplify right side
    41,339.91x = 1,783,970,415.19
  5. Step 5: Solve for x
    x = 1,783,970,415.19/41,339.91
  6. Step 6: Final answer
    x = 43,153.71

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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.