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Finding the Fourth Proportional to 41,093.53, 61,629.91 and 21,091.83

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Solution

The fourth proportional to 41,093.53, 61,629.91 and 21,091.83 is: 31,632.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,093.53 : 61,629.91 = 21,091.83 : x
  2. Step 2: Convert to fraction form
    41,093.53/61,629.91 = 21,091.83/x
  3. Step 3: Cross multiply
    41,093.53x = 61,629.91 × 21,091.83
  4. Step 4: Simplify right side
    41,093.53x = 1,299,887,300.79
  5. Step 5: Solve for x
    x = 1,299,887,300.79/41,093.53
  6. Step 6: Final answer
    x = 31,632.41

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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.