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Finding the Fourth Proportional to 16,640.63, 22,964.10 and 9,086.97

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Solution

The fourth proportional to 16,640.63, 22,964.10 and 9,086.97 is: 12,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,640.63 : 22,964.10 = 9,086.97 : x
  2. Step 2: Convert to fraction form
    16,640.63/22,964.10 = 9,086.97/x
  3. Step 3: Cross multiply
    16,640.63x = 22,964.10 × 9,086.97
  4. Step 4: Simplify right side
    16,640.63x = 208,674,121.85
  5. Step 5: Solve for x
    x = 208,674,121.85/16,640.63
  6. Step 6: Final answer
    x = 12,540.04

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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.