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Finding the Fourth Proportional to 8,436.97, 11,541.84 and 8,401.43

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Solution

The fourth proportional to 8,436.97, 11,541.84 and 8,401.43 is: 11,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,436.97 : 11,541.84 = 8,401.43 : x
  2. Step 2: Convert to fraction form
    8,436.97/11,541.84 = 8,401.43/x
  3. Step 3: Cross multiply
    8,436.97x = 11,541.84 × 8,401.43
  4. Step 4: Simplify right side
    8,436.97x = 96,967,958.18
  5. Step 5: Solve for x
    x = 96,967,958.18/8,436.97
  6. Step 6: Final answer
    x = 11,493.22

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.