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Finding the Fourth Proportional to 6,850.29, 9,453.36 and 3,867.10

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Solution

The fourth proportional to 6,850.29, 9,453.36 and 3,867.10 is: 5,336.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,850.29 : 9,453.36 = 3,867.10 : x
  2. Step 2: Convert to fraction form
    6,850.29/9,453.36 = 3,867.10/x
  3. Step 3: Cross multiply
    6,850.29x = 9,453.36 × 3,867.10
  4. Step 4: Simplify right side
    6,850.29x = 36,557,064.82
  5. Step 5: Solve for x
    x = 36,557,064.82/6,850.29
  6. Step 6: Final answer
    x = 5,336.57

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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.