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Finding the Fourth Proportional to 8,359.65, 12,531.38 and 3,093.17

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Solution

The fourth proportional to 8,359.65, 12,531.38 and 3,093.17 is: 4,636.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.65 : 12,531.38 = 3,093.17 : x
  2. Step 2: Convert to fraction form
    8,359.65/12,531.38 = 3,093.17/x
  3. Step 3: Cross multiply
    8,359.65x = 12,531.38 × 3,093.17
  4. Step 4: Simplify right side
    8,359.65x = 38,761,610.55
  5. Step 5: Solve for x
    x = 38,761,610.55/8,359.65
  6. Step 6: Final answer
    x = 4,636.75

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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.