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Finding the Fourth Proportional to 41,339.90, 61,960.63 and 28,791.99

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Solution

The fourth proportional to 41,339.90, 61,960.63 and 28,791.99 is: 43,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,339.90 : 61,960.63 = 28,791.99 : x
  2. Step 2: Convert to fraction form
    41,339.90/61,960.63 = 28,791.99/x
  3. Step 3: Cross multiply
    41,339.90x = 61,960.63 × 28,791.99
  4. Step 4: Simplify right side
    41,339.90x = 1,783,969,839.35
  5. Step 5: Solve for x
    x = 1,783,969,839.35/41,339.90
  6. Step 6: Final answer
    x = 43,153.70

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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.