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Finding the Fourth Proportional to 5,361.93, 7,401.78 and 4,035.96

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Solution

The fourth proportional to 5,361.93, 7,401.78 and 4,035.96 is: 5,571.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.93 : 7,401.78 = 4,035.96 : x
  2. Step 2: Convert to fraction form
    5,361.93/7,401.78 = 4,035.96/x
  3. Step 3: Cross multiply
    5,361.93x = 7,401.78 × 4,035.96
  4. Step 4: Simplify right side
    5,361.93x = 29,873,288.01
  5. Step 5: Solve for x
    x = 29,873,288.01/5,361.93
  6. Step 6: Final answer
    x = 5,571.37

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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.