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Finding the Fourth Proportional to 3,575.72, 5,361.57 and 1,493.48

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Solution

The fourth proportional to 3,575.72, 5,361.57 and 1,493.48 is: 2,239.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.72 : 5,361.57 = 1,493.48 : x
  2. Step 2: Convert to fraction form
    3,575.72/5,361.57 = 1,493.48/x
  3. Step 3: Cross multiply
    3,575.72x = 5,361.57 × 1,493.48
  4. Step 4: Simplify right side
    3,575.72x = 8,007,397.56
  5. Step 5: Solve for x
    x = 8,007,397.56/3,575.72
  6. Step 6: Final answer
    x = 2,239.38

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1.5x scale

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.