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Finding the Fourth Proportional to 35,540.40, 53,310.60 and 33,351.60

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Solution

The fourth proportional to 35,540.40, 53,310.60 and 33,351.60 is: 50,027.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,540.40 : 53,310.60 = 33,351.60 : x
  2. Step 2: Convert to fraction form
    35,540.40/53,310.60 = 33,351.60/x
  3. Step 3: Cross multiply
    35,540.40x = 53,310.60 × 33,351.60
  4. Step 4: Simplify right side
    35,540.40x = 1,777,993,806.96
  5. Step 5: Solve for x
    x = 1,777,993,806.96/35,540.40
  6. Step 6: Final answer
    x = 50,027.40

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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.