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Finding the Fourth Proportional to 41,957.82, 62,921.73 and 13,872.69

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Solution

The fourth proportional to 41,957.82, 62,921.73 and 13,872.69 is: 20,804.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,957.82 : 62,921.73 = 13,872.69 : x
  2. Step 2: Convert to fraction form
    41,957.82/62,921.73 = 13,872.69/x
  3. Step 3: Cross multiply
    41,957.82x = 62,921.73 × 13,872.69
  4. Step 4: Simplify right side
    41,957.82x = 872,893,470.62
  5. Step 5: Solve for x
    x = 872,893,470.62/41,957.82
  6. Step 6: Final answer
    x = 20,804.07

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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.