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Finding the Fourth Proportional to 41,942.94, 62,894.96 and 15,640.62

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Solution

The fourth proportional to 41,942.94, 62,894.96 and 15,640.62 is: 23,453.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,942.94 : 62,894.96 = 15,640.62 : x
  2. Step 2: Convert to fraction form
    41,942.94/62,894.96 = 15,640.62/x
  3. Step 3: Cross multiply
    41,942.94x = 62,894.96 × 15,640.62
  4. Step 4: Simplify right side
    41,942.94x = 983,716,169.28
  5. Step 5: Solve for x
    x = 983,716,169.28/41,942.94
  6. Step 6: Final answer
    x = 23,453.68

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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.