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Finding the Fourth Proportional to 17,007.26, 25,519.52 and 7,645.39

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Solution

The fourth proportional to 17,007.26, 25,519.52 and 7,645.39 is: 11,471.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,007.26 : 25,519.52 = 7,645.39 : x
  2. Step 2: Convert to fraction form
    17,007.26/25,519.52 = 7,645.39/x
  3. Step 3: Cross multiply
    17,007.26x = 25,519.52 × 7,645.39
  4. Step 4: Simplify right side
    17,007.26x = 195,106,638.33
  5. Step 5: Solve for x
    x = 195,106,638.33/17,007.26
  6. Step 6: Final answer
    x = 11,471.97

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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.