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Finding the Fourth Proportional to 29,942.88, 41,318.88 and 16,514.64

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Solution

The fourth proportional to 29,942.88, 41,318.88 and 16,514.64 is: 22,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,942.88 : 41,318.88 = 16,514.64 : x
  2. Step 2: Convert to fraction form
    29,942.88/41,318.88 = 16,514.64/x
  3. Step 3: Cross multiply
    29,942.88x = 41,318.88 × 16,514.64
  4. Step 4: Simplify right side
    29,942.88x = 682,366,428.40
  5. Step 5: Solve for x
    x = 682,366,428.40/29,942.88
  6. Step 6: Final answer
    x = 22,788.94

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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.