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Finding the Fourth Proportional to 12,243.48, 18,340.50 and 8,073.18

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Solution

The fourth proportional to 12,243.48, 18,340.50 and 8,073.18 is: 12,093.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.48 : 18,340.50 = 8,073.18 : x
  2. Step 2: Convert to fraction form
    12,243.48/18,340.50 = 8,073.18/x
  3. Step 3: Cross multiply
    12,243.48x = 18,340.50 × 8,073.18
  4. Step 4: Simplify right side
    12,243.48x = 148,066,157.79
  5. Step 5: Solve for x
    x = 148,066,157.79/12,243.48
  6. Step 6: Final answer
    x = 12,093.47

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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.