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Finding the Fourth Proportional to 16,467.11, 22,722.49 and 9,393.11

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Solution

The fourth proportional to 16,467.11, 22,722.49 and 9,393.11 is: 12,961.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,467.11 : 22,722.49 = 9,393.11 : x
  2. Step 2: Convert to fraction form
    16,467.11/22,722.49 = 9,393.11/x
  3. Step 3: Cross multiply
    16,467.11x = 22,722.49 × 9,393.11
  4. Step 4: Simplify right side
    16,467.11x = 213,434,848.04
  5. Step 5: Solve for x
    x = 213,434,848.04/16,467.11
  6. Step 6: Final answer
    x = 12,961.28

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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.