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Finding the Fourth Proportional to 8,097.46, 12,136.46 and 3,415.66

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Solution

The fourth proportional to 8,097.46, 12,136.46 and 3,415.66 is: 5,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,097.46 : 12,136.46 = 3,415.66 : x
  2. Step 2: Convert to fraction form
    8,097.46/12,136.46 = 3,415.66/x
  3. Step 3: Cross multiply
    8,097.46x = 12,136.46 × 3,415.66
  4. Step 4: Simplify right side
    8,097.46x = 41,454,020.96
  5. Step 5: Solve for x
    x = 41,454,020.96/8,097.46
  6. Step 6: Final answer
    x = 5,119.39

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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.