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Finding the Fourth Proportional to 5,361.63, 7,399.04 and 3,003.75

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Solution

The fourth proportional to 5,361.63, 7,399.04 and 3,003.75 is: 4,145.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.63 : 7,399.04 = 3,003.75 : x
  2. Step 2: Convert to fraction form
    5,361.63/7,399.04 = 3,003.75/x
  3. Step 3: Cross multiply
    5,361.63x = 7,399.04 × 3,003.75
  4. Step 4: Simplify right side
    5,361.63x = 22,224,851.38
  5. Step 5: Solve for x
    x = 22,224,851.38/5,361.63
  6. Step 6: Final answer
    x = 4,145.17

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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.