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Finding the Fourth Proportional to 3,752.57, 5,628.84 and 3,524.21

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Solution

The fourth proportional to 3,752.57, 5,628.84 and 3,524.21 is: 5,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.57 : 5,628.84 = 3,524.21 : x
  2. Step 2: Convert to fraction form
    3,752.57/5,628.84 = 3,524.21/x
  3. Step 3: Cross multiply
    3,752.57x = 5,628.84 × 3,524.21
  4. Step 4: Simplify right side
    3,752.57x = 19,837,243.48
  5. Step 5: Solve for x
    x = 19,837,243.48/3,752.57
  6. Step 6: Final answer
    x = 5,286.31

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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.