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Finding the Fourth Proportional to 4,019.62, 6,028.16 and 1,679.62

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Solution

The fourth proportional to 4,019.62, 6,028.16 and 1,679.62 is: 2,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,019.62 : 6,028.16 = 1,679.62 : x
  2. Step 2: Convert to fraction form
    4,019.62/6,028.16 = 1,679.62/x
  3. Step 3: Cross multiply
    4,019.62x = 6,028.16 × 1,679.62
  4. Step 4: Simplify right side
    4,019.62x = 10,125,018.10
  5. Step 5: Solve for x
    x = 10,125,018.10/4,019.62
  6. Step 6: Final answer
    x = 2,518.90

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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.