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Finding the Fourth Proportional to 36,770.98, 50,754.81 and 21,668.53

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Solution

The fourth proportional to 36,770.98, 50,754.81 and 21,668.53 is: 29,908.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,770.98 : 50,754.81 = 21,668.53 : x
  2. Step 2: Convert to fraction form
    36,770.98/50,754.81 = 21,668.53/x
  3. Step 3: Cross multiply
    36,770.98x = 50,754.81 × 21,668.53
  4. Step 4: Simplify right side
    36,770.98x = 1,099,782,123.13
  5. Step 5: Solve for x
    x = 1,099,782,123.13/36,770.98
  6. Step 6: Final answer
    x = 29,908.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.