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Finding the Fourth Proportional to 2,062.75, 3,093.64 and 675.70

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Solution

The fourth proportional to 2,062.75, 3,093.64 and 675.70 is: 1,013.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,062.75 : 3,093.64 = 675.70 : x
  2. Step 2: Convert to fraction form
    2,062.75/3,093.64 = 675.70/x
  3. Step 3: Cross multiply
    2,062.75x = 3,093.64 × 675.70
  4. Step 4: Simplify right side
    2,062.75x = 2,090,372.55
  5. Step 5: Solve for x
    x = 2,090,372.55/2,062.75
  6. Step 6: Final answer
    x = 1,013.39

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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.