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Finding the Fourth Proportional to 11,658.26, 17,492.86 and 5,815.32

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Solution

The fourth proportional to 11,658.26, 17,492.86 and 5,815.32 is: 8,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,658.26 : 17,492.86 = 5,815.32 : x
  2. Step 2: Convert to fraction form
    11,658.26/17,492.86 = 5,815.32/x
  3. Step 3: Cross multiply
    11,658.26x = 17,492.86 × 5,815.32
  4. Step 4: Simplify right side
    11,658.26x = 101,726,578.62
  5. Step 5: Solve for x
    x = 101,726,578.62/11,658.26
  6. Step 6: Final answer
    x = 8,725.71

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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.