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Finding the Fourth Proportional to 16,019.88, 24,029.82 and 5,629.20

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Solution

The fourth proportional to 16,019.88, 24,029.82 and 5,629.20 is: 8,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,019.88 : 24,029.82 = 5,629.20 : x
  2. Step 2: Convert to fraction form
    16,019.88/24,029.82 = 5,629.20/x
  3. Step 3: Cross multiply
    16,019.88x = 24,029.82 × 5,629.20
  4. Step 4: Simplify right side
    16,019.88x = 135,268,662.74
  5. Step 5: Solve for x
    x = 135,268,662.74/16,019.88
  6. Step 6: Final answer
    x = 8,443.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.