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Finding the Fourth Proportional to 2,584.93, 3,876.81 and 736

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Solution

The fourth proportional to 2,584.93, 3,876.81 and 736 is: 1,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,584.93 : 3,876.81 = 736 : x
  2. Step 2: Convert to fraction form
    2,584.93/3,876.81 = 736/x
  3. Step 3: Cross multiply
    2,584.93x = 3,876.81 × 736
  4. Step 4: Simplify right side
    2,584.93x = 2,853,332.16
  5. Step 5: Solve for x
    x = 2,853,332.16/2,584.93
  6. Step 6: Final answer
    x = 1,103.83

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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.