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Finding the Fourth Proportional to 16,245.19, 22,418.43 and 8,793.19

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Solution

The fourth proportional to 16,245.19, 22,418.43 and 8,793.19 is: 12,134.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,245.19 : 22,418.43 = 8,793.19 : x
  2. Step 2: Convert to fraction form
    16,245.19/22,418.43 = 8,793.19/x
  3. Step 3: Cross multiply
    16,245.19x = 22,418.43 × 8,793.19
  4. Step 4: Simplify right side
    16,245.19x = 197,129,458.45
  5. Step 5: Solve for x
    x = 197,129,458.45/16,245.19
  6. Step 6: Final answer
    x = 12,134.64

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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.