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Finding the Fourth Proportional to 61,205.44, 91,809 and 23,767.68

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Solution

The fourth proportional to 61,205.44, 91,809 and 23,767.68 is: 35,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,205.44 : 91,809 = 23,767.68 : x
  2. Step 2: Convert to fraction form
    61,205.44/91,809 = 23,767.68/x
  3. Step 3: Cross multiply
    61,205.44x = 91,809 × 23,767.68
  4. Step 4: Simplify right side
    61,205.44x = 2,182,086,933.12
  5. Step 5: Solve for x
    x = 2,182,086,933.12/61,205.44
  6. Step 6: Final answer
    x = 35,651.85

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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.