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Finding the Fourth Proportional to 16,245.63, 22,418.91 and 8,793.63

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Solution

The fourth proportional to 16,245.63, 22,418.91 and 8,793.63 is: 12,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,245.63 : 22,418.91 = 8,793.63 : x
  2. Step 2: Convert to fraction form
    16,245.63/22,418.91 = 8,793.63/x
  3. Step 3: Cross multiply
    16,245.63x = 22,418.91 × 8,793.63
  4. Step 4: Simplify right side
    16,245.63x = 197,143,599.54
  5. Step 5: Solve for x
    x = 197,143,599.54/16,245.63
  6. Step 6: Final answer
    x = 12,135.18

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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.