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Finding the Fourth Proportional to 8,591.05, 12,886.91 and 3,044.41

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Solution

The fourth proportional to 8,591.05, 12,886.91 and 3,044.41 is: 4,566.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.05 : 12,886.91 = 3,044.41 : x
  2. Step 2: Convert to fraction form
    8,591.05/12,886.91 = 3,044.41/x
  3. Step 3: Cross multiply
    8,591.05x = 12,886.91 × 3,044.41
  4. Step 4: Simplify right side
    8,591.05x = 39,233,037.67
  5. Step 5: Solve for x
    x = 39,233,037.67/8,591.05
  6. Step 6: Final answer
    x = 4,566.73

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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.