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Finding the Fourth Proportional to 16,885.53, 23,308.29 and 10,171.44

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Solution

The fourth proportional to 16,885.53, 23,308.29 and 10,171.44 is: 14,040.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.53 : 23,308.29 = 10,171.44 : x
  2. Step 2: Convert to fraction form
    16,885.53/23,308.29 = 10,171.44/x
  3. Step 3: Cross multiply
    16,885.53x = 23,308.29 × 10,171.44
  4. Step 4: Simplify right side
    16,885.53x = 237,078,873.24
  5. Step 5: Solve for x
    x = 237,078,873.24/16,885.53
  6. Step 6: Final answer
    x = 14,040.36

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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.