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Finding the Fourth Proportional to 16,371.75, 24,558.23 and 5,278.60

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Solution

The fourth proportional to 16,371.75, 24,558.23 and 5,278.60 is: 7,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,371.75 : 24,558.23 = 5,278.60 : x
  2. Step 2: Convert to fraction form
    16,371.75/24,558.23 = 5,278.60/x
  3. Step 3: Cross multiply
    16,371.75x = 24,558.23 × 5,278.60
  4. Step 4: Simplify right side
    16,371.75x = 129,633,072.88
  5. Step 5: Solve for x
    x = 129,633,072.88/16,371.75
  6. Step 6: Final answer
    x = 7,918.10

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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.