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Finding the Fourth Proportional to 17,255.75, 25,889.09 and 5,569.88

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Solution

The fourth proportional to 17,255.75, 25,889.09 and 5,569.88 is: 8,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,255.75 : 25,889.09 = 5,569.88 : x
  2. Step 2: Convert to fraction form
    17,255.75/25,889.09 = 5,569.88/x
  3. Step 3: Cross multiply
    17,255.75x = 25,889.09 × 5,569.88
  4. Step 4: Simplify right side
    17,255.75x = 144,198,967.31
  5. Step 5: Solve for x
    x = 144,198,967.31/17,255.75
  6. Step 6: Final answer
    x = 8,356.58

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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.