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Finding the Fourth Proportional to 6,752.43, 10,125.21 and 3,942.21

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Solution

The fourth proportional to 6,752.43, 10,125.21 and 3,942.21 is: 5,911.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,752.43 : 10,125.21 = 3,942.21 : x
  2. Step 2: Convert to fraction form
    6,752.43/10,125.21 = 3,942.21/x
  3. Step 3: Cross multiply
    6,752.43x = 10,125.21 × 3,942.21
  4. Step 4: Simplify right side
    6,752.43x = 39,915,756.87
  5. Step 5: Solve for x
    x = 39,915,756.87/6,752.43
  6. Step 6: Final answer
    x = 5,911.32

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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.