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Finding the Fourth Proportional to 2,068, 2,850.44 and 1,439.44

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Solution

The fourth proportional to 2,068, 2,850.44 and 1,439.44 is: 1,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068 : 2,850.44 = 1,439.44 : x
  2. Step 2: Convert to fraction form
    2,068/2,850.44 = 1,439.44/x
  3. Step 3: Cross multiply
    2,068x = 2,850.44 × 1,439.44
  4. Step 4: Simplify right side
    2,068x = 4,103,037.35
  5. Step 5: Solve for x
    x = 4,103,037.35/2,068
  6. Step 6: Final answer
    x = 1,984.06

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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.