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Finding the Fourth Proportional to 29,662.80, 40,934.11 and 16,233.78

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Solution

The fourth proportional to 29,662.80, 40,934.11 and 16,233.78 is: 22,402.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,662.80 : 40,934.11 = 16,233.78 : x
  2. Step 2: Convert to fraction form
    29,662.80/40,934.11 = 16,233.78/x
  3. Step 3: Cross multiply
    29,662.80x = 40,934.11 × 16,233.78
  4. Step 4: Simplify right side
    29,662.80x = 664,515,336.24
  5. Step 5: Solve for x
    x = 664,515,336.24/29,662.80
  6. Step 6: Final answer
    x = 22,402.31

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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.