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Finding the Fourth Proportional to 6,672.46, 9,208.68 and 3,839.94

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Solution

The fourth proportional to 6,672.46, 9,208.68 and 3,839.94 is: 5,299.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,672.46 : 9,208.68 = 3,839.94 : x
  2. Step 2: Convert to fraction form
    6,672.46/9,208.68 = 3,839.94/x
  3. Step 3: Cross multiply
    6,672.46x = 9,208.68 × 3,839.94
  4. Step 4: Simplify right side
    6,672.46x = 35,360,778.68
  5. Step 5: Solve for x
    x = 35,360,778.68/6,672.46
  6. Step 6: Final answer
    x = 5,299.51

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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.