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Finding the Fourth Proportional to 8,704.88, 13,059.54 and 2,861.54

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Solution

The fourth proportional to 8,704.88, 13,059.54 and 2,861.54 is: 4,293.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,704.88 : 13,059.54 = 2,861.54 : x
  2. Step 2: Convert to fraction form
    8,704.88/13,059.54 = 2,861.54/x
  3. Step 3: Cross multiply
    8,704.88x = 13,059.54 × 2,861.54
  4. Step 4: Simplify right side
    8,704.88x = 37,370,396.09
  5. Step 5: Solve for x
    x = 37,370,396.09/8,704.88
  6. Step 6: Final answer
    x = 4,293.04

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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.