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Finding the Fourth Proportional to 3,636.93, 5,453.51 and 1,296.03

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Solution

The fourth proportional to 3,636.93, 5,453.51 and 1,296.03 is: 1,943.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,636.93 : 5,453.51 = 1,296.03 : x
  2. Step 2: Convert to fraction form
    3,636.93/5,453.51 = 1,296.03/x
  3. Step 3: Cross multiply
    3,636.93x = 5,453.51 × 1,296.03
  4. Step 4: Simplify right side
    3,636.93x = 7,067,906.09
  5. Step 5: Solve for x
    x = 7,067,906.09/3,636.93
  6. Step 6: Final answer
    x = 1,943.37

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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.