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Finding the Fourth Proportional to 30,377.34, 41,921.73 and 17,629.56

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Solution

The fourth proportional to 30,377.34, 41,921.73 and 17,629.56 is: 24,329.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,377.34 : 41,921.73 = 17,629.56 : x
  2. Step 2: Convert to fraction form
    30,377.34/41,921.73 = 17,629.56/x
  3. Step 3: Cross multiply
    30,377.34x = 41,921.73 × 17,629.56
  4. Step 4: Simplify right side
    30,377.34x = 739,061,654.34
  5. Step 5: Solve for x
    x = 739,061,654.34/30,377.34
  6. Step 6: Final answer
    x = 24,329.37

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