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Finding the Fourth Proportional to 8,766, 13,149.09 and 2,610

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Solution

The fourth proportional to 8,766, 13,149.09 and 2,610 is: 3,915.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766 : 13,149.09 = 2,610 : x
  2. Step 2: Convert to fraction form
    8,766/13,149.09 = 2,610/x
  3. Step 3: Cross multiply
    8,766x = 13,149.09 × 2,610
  4. Step 4: Simplify right side
    8,766x = 34,319,124.90
  5. Step 5: Solve for x
    x = 34,319,124.90/8,766
  6. Step 6: Final answer
    x = 3,915.03

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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.