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Finding the Fourth Proportional to 8,930.44, 13,395.73 and 3,664.09

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Solution

The fourth proportional to 8,930.44, 13,395.73 and 3,664.09 is: 5,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.44 : 13,395.73 = 3,664.09 : x
  2. Step 2: Convert to fraction form
    8,930.44/13,395.73 = 3,664.09/x
  3. Step 3: Cross multiply
    8,930.44x = 13,395.73 × 3,664.09
  4. Step 4: Simplify right side
    8,930.44x = 49,083,160.34
  5. Step 5: Solve for x
    x = 49,083,160.34/8,930.44
  6. Step 6: Final answer
    x = 5,496.16

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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.