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Finding the Fourth Proportional to 41,093.65, 61,640.38 and 9,928.90

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Solution

The fourth proportional to 41,093.65, 61,640.38 and 9,928.90 is: 14,893.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,093.65 : 61,640.38 = 9,928.90 : x
  2. Step 2: Convert to fraction form
    41,093.65/61,640.38 = 9,928.90/x
  3. Step 3: Cross multiply
    41,093.65x = 61,640.38 × 9,928.90
  4. Step 4: Simplify right side
    41,093.65x = 612,021,168.98
  5. Step 5: Solve for x
    x = 612,021,168.98/41,093.65
  6. Step 6: Final answer
    x = 14,893.33

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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.