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Finding the Fourth Proportional to 19,992.62, 29,956.11 and 6,837.82

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Solution

The fourth proportional to 19,992.62, 29,956.11 and 6,837.82 is: 10,245.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.62 : 29,956.11 = 6,837.82 : x
  2. Step 2: Convert to fraction form
    19,992.62/29,956.11 = 6,837.82/x
  3. Step 3: Cross multiply
    19,992.62x = 29,956.11 × 6,837.82
  4. Step 4: Simplify right side
    19,992.62x = 204,834,488.08
  5. Step 5: Solve for x
    x = 204,834,488.08/19,992.62
  6. Step 6: Final answer
    x = 10,245.50

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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.