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Finding the Fourth Proportional to 36,951.48, 50,993.09 and 21,035.91

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Solution

The fourth proportional to 36,951.48, 50,993.09 and 21,035.91 is: 29,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,951.48 : 50,993.09 = 21,035.91 : x
  2. Step 2: Convert to fraction form
    36,951.48/50,993.09 = 21,035.91/x
  3. Step 3: Cross multiply
    36,951.48x = 50,993.09 × 21,035.91
  4. Step 4: Simplify right side
    36,951.48x = 1,072,685,834.34
  5. Step 5: Solve for x
    x = 1,072,685,834.34/36,951.48
  6. Step 6: Final answer
    x = 29,029.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.