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Finding the Fourth Proportional to 17,201.25, 23,738.09 and 9,749.25

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Solution

The fourth proportional to 17,201.25, 23,738.09 and 9,749.25 is: 13,454.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,201.25 : 23,738.09 = 9,749.25 : x
  2. Step 2: Convert to fraction form
    17,201.25/23,738.09 = 9,749.25/x
  3. Step 3: Cross multiply
    17,201.25x = 23,738.09 × 9,749.25
  4. Step 4: Simplify right side
    17,201.25x = 231,428,525.19
  5. Step 5: Solve for x
    x = 231,428,525.19/17,201.25
  6. Step 6: Final answer
    x = 13,454.17

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1.5x scale

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.