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Finding the Fourth Proportional to 8,592.44, 12,891.54 and 3,659.96

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Solution

The fourth proportional to 8,592.44, 12,891.54 and 3,659.96 is: 5,491.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,592.44 : 12,891.54 = 3,659.96 : x
  2. Step 2: Convert to fraction form
    8,592.44/12,891.54 = 3,659.96/x
  3. Step 3: Cross multiply
    8,592.44x = 12,891.54 × 3,659.96
  4. Step 4: Simplify right side
    8,592.44x = 47,182,520.74
  5. Step 5: Solve for x
    x = 47,182,520.74/8,592.44
  6. Step 6: Final answer
    x = 5,491.17

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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.