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Finding the Fourth Proportional to 16,251.99, 22,427.74 and 8,799.99

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Solution

The fourth proportional to 16,251.99, 22,427.74 and 8,799.99 is: 12,143.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.99 : 22,427.74 = 8,799.99 : x
  2. Step 2: Convert to fraction form
    16,251.99/22,427.74 = 8,799.99/x
  3. Step 3: Cross multiply
    16,251.99x = 22,427.74 × 8,799.99
  4. Step 4: Simplify right side
    16,251.99x = 197,363,898.72
  5. Step 5: Solve for x
    x = 197,363,898.72/16,251.99
  6. Step 6: Final answer
    x = 12,143.98

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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.