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Finding the Fourth Proportional to 50,241, 75,361.50 and 20,674.92

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Solution

The fourth proportional to 50,241, 75,361.50 and 20,674.92 is: 31,012.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,241 : 75,361.50 = 20,674.92 : x
  2. Step 2: Convert to fraction form
    50,241/75,361.50 = 20,674.92/x
  3. Step 3: Cross multiply
    50,241x = 75,361.50 × 20,674.92
  4. Step 4: Simplify right side
    50,241x = 1,558,092,983.58
  5. Step 5: Solve for x
    x = 1,558,092,983.58/50,241
  6. Step 6: Final answer
    x = 31,012.38

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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.