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Finding the Fourth Proportional to 65,832.21, 90,850.01 and 37,540.53

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Solution

The fourth proportional to 65,832.21, 90,850.01 and 37,540.53 is: 51,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,832.21 : 90,850.01 = 37,540.53 : x
  2. Step 2: Convert to fraction form
    65,832.21/90,850.01 = 37,540.53/x
  3. Step 3: Cross multiply
    65,832.21x = 90,850.01 × 37,540.53
  4. Step 4: Simplify right side
    65,832.21x = 3,410,557,338.20
  5. Step 5: Solve for x
    x = 3,410,557,338.20/65,832.21
  6. Step 6: Final answer
    x = 51,806.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.