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Finding the Fourth Proportional to 41,995.87, 62,971.93 and 15,678.97

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Solution

The fourth proportional to 41,995.87, 62,971.93 and 15,678.97 is: 23,510.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,995.87 : 62,971.93 = 15,678.97 : x
  2. Step 2: Convert to fraction form
    41,995.87/62,971.93 = 15,678.97/x
  3. Step 3: Cross multiply
    41,995.87x = 62,971.93 × 15,678.97
  4. Step 4: Simplify right side
    41,995.87x = 987,335,001.31
  5. Step 5: Solve for x
    x = 987,335,001.31/41,995.87
  6. Step 6: Final answer
    x = 23,510.29

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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.