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Finding the Fourth Proportional to 29,691.72, 44,537.58 and 11,930.52

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Solution

The fourth proportional to 29,691.72, 44,537.58 and 11,930.52 is: 17,895.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,691.72 : 44,537.58 = 11,930.52 : x
  2. Step 2: Convert to fraction form
    29,691.72/44,537.58 = 11,930.52/x
  3. Step 3: Cross multiply
    29,691.72x = 44,537.58 × 11,930.52
  4. Step 4: Simplify right side
    29,691.72x = 531,356,488.94
  5. Step 5: Solve for x
    x = 531,356,488.94/29,691.72
  6. Step 6: Final answer
    x = 17,895.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.