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Finding the Fourth Proportional to 16,531.16, 22,812.18 and 9,359.96

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Solution

The fourth proportional to 16,531.16, 22,812.18 and 9,359.96 is: 12,916.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,531.16 : 22,812.18 = 9,359.96 : x
  2. Step 2: Convert to fraction form
    16,531.16/22,812.18 = 9,359.96/x
  3. Step 3: Cross multiply
    16,531.16x = 22,812.18 × 9,359.96
  4. Step 4: Simplify right side
    16,531.16x = 213,521,092.31
  5. Step 5: Solve for x
    x = 213,521,092.31/16,531.16
  6. Step 6: Final answer
    x = 12,916.28

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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.