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Finding the Fourth Proportional to 29,992.88, 41,390.17 and 17,418.44

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Solution

The fourth proportional to 29,992.88, 41,390.17 and 17,418.44 is: 24,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,992.88 : 41,390.17 = 17,418.44 : x
  2. Step 2: Convert to fraction form
    29,992.88/41,390.17 = 17,418.44/x
  3. Step 3: Cross multiply
    29,992.88x = 41,390.17 × 17,418.44
  4. Step 4: Simplify right side
    29,992.88x = 720,951,942.24
  5. Step 5: Solve for x
    x = 720,951,942.24/29,992.88
  6. Step 6: Final answer
    x = 24,037.44

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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.