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Finding the Fourth Proportional to 36,427.35, 50,270.99 and 21,321.42

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Solution

The fourth proportional to 36,427.35, 50,270.99 and 21,321.42 is: 29,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,427.35 : 50,270.99 = 21,321.42 : x
  2. Step 2: Convert to fraction form
    36,427.35/50,270.99 = 21,321.42/x
  3. Step 3: Cross multiply
    36,427.35x = 50,270.99 × 21,321.42
  4. Step 4: Simplify right side
    36,427.35x = 1,071,848,785.00
  5. Step 5: Solve for x
    x = 1,071,848,785.00/36,427.35
  6. Step 6: Final answer
    x = 29,424.29

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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.