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Finding the Fourth Proportional to 35,691.80, 53,480.10 and 22,520.60

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Solution

The fourth proportional to 35,691.80, 53,480.10 and 22,520.60 is: 33,744.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,691.80 : 53,480.10 = 22,520.60 : x
  2. Step 2: Convert to fraction form
    35,691.80/53,480.10 = 22,520.60/x
  3. Step 3: Cross multiply
    35,691.80x = 53,480.10 × 22,520.60
  4. Step 4: Simplify right side
    35,691.80x = 1,204,403,940.06
  5. Step 5: Solve for x
    x = 1,204,403,940.06/35,691.80
  6. Step 6: Final answer
    x = 33,744.56

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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.