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Finding the Fourth Proportional to 50,696.70, 76,019.67 and 15,631.80

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Solution

The fourth proportional to 50,696.70, 76,019.67 and 15,631.80 is: 23,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,696.70 : 76,019.67 = 15,631.80 : x
  2. Step 2: Convert to fraction form
    50,696.70/76,019.67 = 15,631.80/x
  3. Step 3: Cross multiply
    50,696.70x = 76,019.67 × 15,631.80
  4. Step 4: Simplify right side
    50,696.70x = 1,188,324,277.51
  5. Step 5: Solve for x
    x = 1,188,324,277.51/50,696.70
  6. Step 6: Final answer
    x = 23,439.87

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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.