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Finding the Fourth Proportional to 16,251.52, 22,427.10 and 8,799.52

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Solution

The fourth proportional to 16,251.52, 22,427.10 and 8,799.52 is: 12,143.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251.52 : 22,427.10 = 8,799.52 : x
  2. Step 2: Convert to fraction form
    16,251.52/22,427.10 = 8,799.52/x
  3. Step 3: Cross multiply
    16,251.52x = 22,427.10 × 8,799.52
  4. Step 4: Simplify right side
    16,251.52x = 197,347,714.99
  5. Step 5: Solve for x
    x = 197,347,714.99/16,251.52
  6. Step 6: Final answer
    x = 12,143.34

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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.