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Finding the Fourth Proportional to 7,169.48, 9,893.39 and 3,982.52

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Solution

The fourth proportional to 7,169.48, 9,893.39 and 3,982.52 is: 5,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169.48 : 9,893.39 = 3,982.52 : x
  2. Step 2: Convert to fraction form
    7,169.48/9,893.39 = 3,982.52/x
  3. Step 3: Cross multiply
    7,169.48x = 9,893.39 × 3,982.52
  4. Step 4: Simplify right side
    7,169.48x = 39,400,584.03
  5. Step 5: Solve for x
    x = 39,400,584.03/7,169.48
  6. Step 6: Final answer
    x = 5,495.60

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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.