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Finding the Fourth Proportional to 5,361.44, 7,399.24 and 3,003.80

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Solution

The fourth proportional to 5,361.44, 7,399.24 and 3,003.80 is: 4,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.44 : 7,399.24 = 3,003.80 : x
  2. Step 2: Convert to fraction form
    5,361.44/7,399.24 = 3,003.80/x
  3. Step 3: Cross multiply
    5,361.44x = 7,399.24 × 3,003.80
  4. Step 4: Simplify right side
    5,361.44x = 22,225,837.11
  5. Step 5: Solve for x
    x = 22,225,837.11/5,361.44
  6. Step 6: Final answer
    x = 4,145.50

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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.