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Finding the Fourth Proportional to 35,550.62, 53,169.07 and 31,629.39

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Solution

The fourth proportional to 35,550.62, 53,169.07 and 31,629.39 is: 47,304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,550.62 : 53,169.07 = 31,629.39 : x
  2. Step 2: Convert to fraction form
    35,550.62/53,169.07 = 31,629.39/x
  3. Step 3: Cross multiply
    35,550.62x = 53,169.07 × 31,629.39
  4. Step 4: Simplify right side
    35,550.62x = 1,681,705,250.97
  5. Step 5: Solve for x
    x = 1,681,705,250.97/35,550.62
  6. Step 6: Final answer
    x = 47,304.53

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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.