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Finding the Fourth Proportional to 3,636.66, 5,446.08 and 2,072.82

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Solution

The fourth proportional to 3,636.66, 5,446.08 and 2,072.82 is: 3,104.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.66 : 5,446.08 = 2,072.82 : x
  2. Step 2: Convert to fraction form
    3,636.66/5,446.08 = 2,072.82/x
  3. Step 3: Cross multiply
    3,636.66x = 5,446.08 × 2,072.82
  4. Step 4: Simplify right side
    3,636.66x = 11,288,743.55
  5. Step 5: Solve for x
    x = 11,288,743.55/3,636.66
  6. Step 6: Final answer
    x = 3,104.15

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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.