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Finding the Fourth Proportional to 16,916.28, 23,344.14 and 9,362.61

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Solution

The fourth proportional to 16,916.28, 23,344.14 and 9,362.61 is: 12,920.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916.28 : 23,344.14 = 9,362.61 : x
  2. Step 2: Convert to fraction form
    16,916.28/23,344.14 = 9,362.61/x
  3. Step 3: Cross multiply
    16,916.28x = 23,344.14 × 9,362.61
  4. Step 4: Simplify right side
    16,916.28x = 218,562,078.61
  5. Step 5: Solve for x
    x = 218,562,078.61/16,916.28
  6. Step 6: Final answer
    x = 12,920.22

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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.