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Finding the Fourth Proportional to 16,245, 22,418.10 and 8,793

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Solution

The fourth proportional to 16,245, 22,418.10 and 8,793 is: 12,134.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,245 : 22,418.10 = 8,793 : x
  2. Step 2: Convert to fraction form
    16,245/22,418.10 = 8,793/x
  3. Step 3: Cross multiply
    16,245x = 22,418.10 × 8,793
  4. Step 4: Simplify right side
    16,245x = 197,122,353.30
  5. Step 5: Solve for x
    x = 197,122,353.30/16,245
  6. Step 6: Final answer
    x = 12,134.34

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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.