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Finding the Fourth Proportional to 3,249.70, 4,874.54 and 1,300.54

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Solution

The fourth proportional to 3,249.70, 4,874.54 and 1,300.54 is: 1,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.70 : 4,874.54 = 1,300.54 : x
  2. Step 2: Convert to fraction form
    3,249.70/4,874.54 = 1,300.54/x
  3. Step 3: Cross multiply
    3,249.70x = 4,874.54 × 1,300.54
  4. Step 4: Simplify right side
    3,249.70x = 6,339,534.25
  5. Step 5: Solve for x
    x = 6,339,534.25/3,249.70
  6. Step 6: Final answer
    x = 1,950.81

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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.