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Finding the Fourth Proportional to 35,020.32, 48,321.99 and 19,704.73

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Solution

The fourth proportional to 35,020.32, 48,321.99 and 19,704.73 is: 27,189.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,020.32 : 48,321.99 = 19,704.73 : x
  2. Step 2: Convert to fraction form
    35,020.32/48,321.99 = 19,704.73/x
  3. Step 3: Cross multiply
    35,020.32x = 48,321.99 × 19,704.73
  4. Step 4: Simplify right side
    35,020.32x = 952,171,735.81
  5. Step 5: Solve for x
    x = 952,171,735.81/35,020.32
  6. Step 6: Final answer
    x = 27,189.12

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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.