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Finding the Fourth Proportional to 16,031.26, 22,123.09 and 8,957.68

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Solution

The fourth proportional to 16,031.26, 22,123.09 and 8,957.68 is: 12,361.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,031.26 : 22,123.09 = 8,957.68 : x
  2. Step 2: Convert to fraction form
    16,031.26/22,123.09 = 8,957.68/x
  3. Step 3: Cross multiply
    16,031.26x = 22,123.09 × 8,957.68
  4. Step 4: Simplify right side
    16,031.26x = 198,171,560.83
  5. Step 5: Solve for x
    x = 198,171,560.83/16,031.26
  6. Step 6: Final answer
    x = 12,361.57

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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.