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Finding the Fourth Proportional to 12,439.02, 17,165.07 and 6,850.02

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Solution

The fourth proportional to 12,439.02, 17,165.07 and 6,850.02 is: 9,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439.02 : 17,165.07 = 6,850.02 : x
  2. Step 2: Convert to fraction form
    12,439.02/17,165.07 = 6,850.02/x
  3. Step 3: Cross multiply
    12,439.02x = 17,165.07 × 6,850.02
  4. Step 4: Simplify right side
    12,439.02x = 117,581,072.80
  5. Step 5: Solve for x
    x = 117,581,072.80/12,439.02
  6. Step 6: Final answer
    x = 9,452.60

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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.