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Finding the Fourth Proportional to 5,361.50, 7,391.75 and 4,400.88

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Solution

The fourth proportional to 5,361.50, 7,391.75 and 4,400.88 is: 6,067.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,361.50 : 7,391.75 = 4,400.88 : x
  2. Step 2: Convert to fraction form
    5,361.50/7,391.75 = 4,400.88/x
  3. Step 3: Cross multiply
    5,361.50x = 7,391.75 × 4,400.88
  4. Step 4: Simplify right side
    5,361.50x = 32,530,182.74
  5. Step 5: Solve for x
    x = 32,530,182.74/5,361.50
  6. Step 6: Final answer
    x = 6,067.37

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1.5x scale

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.