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Finding the Fourth Proportional to 36,639, 50,537.72 and 29,073.33

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Solution

The fourth proportional to 36,639, 50,537.72 and 29,073.33 is: 40,102.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,639 : 50,537.72 = 29,073.33 : x
  2. Step 2: Convert to fraction form
    36,639/50,537.72 = 29,073.33/x
  3. Step 3: Cross multiply
    36,639x = 50,537.72 × 29,073.33
  4. Step 4: Simplify right side
    36,639x = 1,469,299,883.69
  5. Step 5: Solve for x
    x = 1,469,299,883.69/36,639
  6. Step 6: Final answer
    x = 40,102.07

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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.