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Finding the Fourth Proportional to 16,512.12, 22,786.21 and 9,341.49

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Solution

The fourth proportional to 16,512.12, 22,786.21 and 9,341.49 is: 12,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,512.12 : 22,786.21 = 9,341.49 : x
  2. Step 2: Convert to fraction form
    16,512.12/22,786.21 = 9,341.49/x
  3. Step 3: Cross multiply
    16,512.12x = 22,786.21 × 9,341.49
  4. Step 4: Simplify right side
    16,512.12x = 212,857,249.98
  5. Step 5: Solve for x
    x = 212,857,249.98/16,512.12
  6. Step 6: Final answer
    x = 12,890.97

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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.