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Finding the Fourth Proportional to 16,683.48, 23,023.44 and 9,231.48

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Solution

The fourth proportional to 16,683.48, 23,023.44 and 9,231.48 is: 12,739.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,683.48 : 23,023.44 = 9,231.48 : x
  2. Step 2: Convert to fraction form
    16,683.48/23,023.44 = 9,231.48/x
  3. Step 3: Cross multiply
    16,683.48x = 23,023.44 × 9,231.48
  4. Step 4: Simplify right side
    16,683.48x = 212,540,425.89
  5. Step 5: Solve for x
    x = 212,540,425.89/16,683.48
  6. Step 6: Final answer
    x = 12,739.57

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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.