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Finding the Fourth Proportional to 74,399.44, 111,577.44 and 21,796.48

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Solution

The fourth proportional to 74,399.44, 111,577.44 and 21,796.48 is: 32,688.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,399.44 : 111,577.44 = 21,796.48 : x
  2. Step 2: Convert to fraction form
    74,399.44/111,577.44 = 21,796.48/x
  3. Step 3: Cross multiply
    74,399.44x = 111,577.44 × 21,796.48
  4. Step 4: Simplify right side
    74,399.44x = 2,431,995,439.41
  5. Step 5: Solve for x
    x = 2,431,995,439.41/74,399.44
  6. Step 6: Final answer
    x = 32,688.36

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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.