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Finding the Fourth Proportional to 36,696.69, 55,046.25 and 11,739.42

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Solution

The fourth proportional to 36,696.69, 55,046.25 and 11,739.42 is: 17,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,696.69 : 55,046.25 = 11,739.42 : x
  2. Step 2: Convert to fraction form
    36,696.69/55,046.25 = 11,739.42/x
  3. Step 3: Cross multiply
    36,696.69x = 55,046.25 × 11,739.42
  4. Step 4: Simplify right side
    36,696.69x = 646,211,048.18
  5. Step 5: Solve for x
    x = 646,211,048.18/36,696.69
  6. Step 6: Final answer
    x = 17,609.52

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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.