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Finding the Fourth Proportional to 63,616.62, 87,791.94 and 35,322.60

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Solution

The fourth proportional to 63,616.62, 87,791.94 and 35,322.60 is: 48,745.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,616.62 : 87,791.94 = 35,322.60 : x
  2. Step 2: Convert to fraction form
    63,616.62/87,791.94 = 35,322.60/x
  3. Step 3: Cross multiply
    63,616.62x = 87,791.94 × 35,322.60
  4. Step 4: Simplify right side
    63,616.62x = 3,101,039,579.84
  5. Step 5: Solve for x
    x = 3,101,039,579.84/63,616.62
  6. Step 6: Final answer
    x = 48,745.75

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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.