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Finding the Fourth Proportional to 5,361.62, 7,399.02 and 3,003.77

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Solution

The fourth proportional to 5,361.62, 7,399.02 and 3,003.77 is: 4,145.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.62 : 7,399.02 = 3,003.77 : x
  2. Step 2: Convert to fraction form
    5,361.62/7,399.02 = 3,003.77/x
  3. Step 3: Cross multiply
    5,361.62x = 7,399.02 × 3,003.77
  4. Step 4: Simplify right side
    5,361.62x = 22,224,984.07
  5. Step 5: Solve for x
    x = 22,224,984.07/5,361.62
  6. Step 6: Final answer
    x = 4,145.20

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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.