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Finding the Fourth Proportional to 16,124.50, 22,251.05 and 8,954.87

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Solution

The fourth proportional to 16,124.50, 22,251.05 and 8,954.87 is: 12,357.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,124.50 : 22,251.05 = 8,954.87 : x
  2. Step 2: Convert to fraction form
    16,124.50/22,251.05 = 8,954.87/x
  3. Step 3: Cross multiply
    16,124.50x = 22,251.05 × 8,954.87
  4. Step 4: Simplify right side
    16,124.50x = 199,255,148.86
  5. Step 5: Solve for x
    x = 199,255,148.86/16,124.50
  6. Step 6: Final answer
    x = 12,357.30

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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.