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Finding the Fourth Proportional to 17,201.44, 23,738.16 and 9,648.04

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Solution

The fourth proportional to 17,201.44, 23,738.16 and 9,648.04 is: 13,314.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,201.44 : 23,738.16 = 9,648.04 : x
  2. Step 2: Convert to fraction form
    17,201.44/23,738.16 = 9,648.04/x
  3. Step 3: Cross multiply
    17,201.44x = 23,738.16 × 9,648.04
  4. Step 4: Simplify right side
    17,201.44x = 229,026,717.21
  5. Step 5: Solve for x
    x = 229,026,717.21/17,201.44
  6. Step 6: Final answer
    x = 13,314.39

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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.