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Finding the Fourth Proportional to 41,994.90, 62,995.62 and 13,913.82

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Solution

The fourth proportional to 41,994.90, 62,995.62 and 13,913.82 is: 20,871.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,994.90 : 62,995.62 = 13,913.82 : x
  2. Step 2: Convert to fraction form
    41,994.90/62,995.62 = 13,913.82/x
  3. Step 3: Cross multiply
    41,994.90x = 62,995.62 × 13,913.82
  4. Step 4: Simplify right side
    41,994.90x = 876,509,717.47
  5. Step 5: Solve for x
    x = 876,509,717.47/41,994.90
  6. Step 6: Final answer
    x = 20,871.81

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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.