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Finding the Fourth Proportional to 16,031.63, 22,123.23 and 8,958.11

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Solution

The fourth proportional to 16,031.63, 22,123.23 and 8,958.11 is: 12,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,031.63 : 22,123.23 = 8,958.11 : x
  2. Step 2: Convert to fraction form
    16,031.63/22,123.23 = 8,958.11/x
  3. Step 3: Cross multiply
    16,031.63x = 22,123.23 × 8,958.11
  4. Step 4: Simplify right side
    16,031.63x = 198,182,217.28
  5. Step 5: Solve for x
    x = 198,182,217.28/16,031.63
  6. Step 6: Final answer
    x = 12,361.95

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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.