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Finding the Fourth Proportional to 6,992.33, 10,490.30 and 2,609.82

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Solution

The fourth proportional to 6,992.33, 10,490.30 and 2,609.82 is: 3,915.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.33 : 10,490.30 = 2,609.82 : x
  2. Step 2: Convert to fraction form
    6,992.33/10,490.30 = 2,609.82/x
  3. Step 3: Cross multiply
    6,992.33x = 10,490.30 × 2,609.82
  4. Step 4: Simplify right side
    6,992.33x = 27,377,781.70
  5. Step 5: Solve for x
    x = 27,377,781.70/6,992.33
  6. Step 6: Final answer
    x = 3,915.40

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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.