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Finding the Fourth Proportional to 5,757.42, 8,645.82 and 3,759.42

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Solution

The fourth proportional to 5,757.42, 8,645.82 and 3,759.42 is: 5,645.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,757.42 : 8,645.82 = 3,759.42 : x
  2. Step 2: Convert to fraction form
    5,757.42/8,645.82 = 3,759.42/x
  3. Step 3: Cross multiply
    5,757.42x = 8,645.82 × 3,759.42
  4. Step 4: Simplify right side
    5,757.42x = 32,503,268.62
  5. Step 5: Solve for x
    x = 32,503,268.62/5,757.42
  6. Step 6: Final answer
    x = 5,645.46

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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.