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Finding the Fourth Proportional to 16,251.58, 22,427.40 and 8,799.58

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Solution

The fourth proportional to 16,251.58, 22,427.40 and 8,799.58 is: 12,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.58 : 22,427.40 = 8,799.58 : x
  2. Step 2: Convert to fraction form
    16,251.58/22,427.40 = 8,799.58/x
  3. Step 3: Cross multiply
    16,251.58x = 22,427.40 × 8,799.58
  4. Step 4: Simplify right side
    16,251.58x = 197,351,700.49
  5. Step 5: Solve for x
    x = 197,351,700.49/16,251.58
  6. Step 6: Final answer
    x = 12,143.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.