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Finding the Fourth Proportional to 69,087.44, 103,631.07 and 27,563.60

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Solution

The fourth proportional to 69,087.44, 103,631.07 and 27,563.60 is: 41,345.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,087.44 : 103,631.07 = 27,563.60 : x
  2. Step 2: Convert to fraction form
    69,087.44/103,631.07 = 27,563.60/x
  3. Step 3: Cross multiply
    69,087.44x = 103,631.07 × 27,563.60
  4. Step 4: Simplify right side
    69,087.44x = 2,856,445,361.05
  5. Step 5: Solve for x
    x = 2,856,445,361.05/69,087.44
  6. Step 6: Final answer
    x = 41,345.36

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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.