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Finding the Fourth Proportional to 16,916.22, 23,344.88 and 9,363.51

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Solution

The fourth proportional to 16,916.22, 23,344.88 and 9,363.51 is: 12,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,916.22 : 23,344.88 = 9,363.51 : x
  2. Step 2: Convert to fraction form
    16,916.22/23,344.88 = 9,363.51/x
  3. Step 3: Cross multiply
    16,916.22x = 23,344.88 × 9,363.51
  4. Step 4: Simplify right side
    16,916.22x = 218,589,970.51
  5. Step 5: Solve for x
    x = 218,589,970.51/16,916.22
  6. Step 6: Final answer
    x = 12,921.92

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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.