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Finding the Fourth Proportional to 6,679.62, 10,016.28 and 3,907.14

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Solution

The fourth proportional to 6,679.62, 10,016.28 and 3,907.14 is: 5,858.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679.62 : 10,016.28 = 3,907.14 : x
  2. Step 2: Convert to fraction form
    6,679.62/10,016.28 = 3,907.14/x
  3. Step 3: Cross multiply
    6,679.62x = 10,016.28 × 3,907.14
  4. Step 4: Simplify right side
    6,679.62x = 39,135,008.24
  5. Step 5: Solve for x
    x = 39,135,008.24/6,679.62
  6. Step 6: Final answer
    x = 5,858.87

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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.