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Finding the Fourth Proportional to 34,449.12, 47,544.99 and 21,028.20

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Solution

The fourth proportional to 34,449.12, 47,544.99 and 21,028.20 is: 29,022.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,449.12 : 47,544.99 = 21,028.20 : x
  2. Step 2: Convert to fraction form
    34,449.12/47,544.99 = 21,028.20/x
  3. Step 3: Cross multiply
    34,449.12x = 47,544.99 × 21,028.20
  4. Step 4: Simplify right side
    34,449.12x = 999,785,558.72
  5. Step 5: Solve for x
    x = 999,785,558.72/34,449.12
  6. Step 6: Final answer
    x = 29,022.09

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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.