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Finding the Fourth Proportional to 8,893.87, 13,342.71 and 2,654.37

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Solution

The fourth proportional to 8,893.87, 13,342.71 and 2,654.37 is: 3,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,893.87 : 13,342.71 = 2,654.37 : x
  2. Step 2: Convert to fraction form
    8,893.87/13,342.71 = 2,654.37/x
  3. Step 3: Cross multiply
    8,893.87x = 13,342.71 × 2,654.37
  4. Step 4: Simplify right side
    8,893.87x = 35,416,489.14
  5. Step 5: Solve for x
    x = 35,416,489.14/8,893.87
  6. Step 6: Final answer
    x = 3,982.12

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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.