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Finding the Fourth Proportional to 17,279.88, 25,917.17 and 4,798.57

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Solution

The fourth proportional to 17,279.88, 25,917.17 and 4,798.57 is: 7,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,279.88 : 25,917.17 = 4,798.57 : x
  2. Step 2: Convert to fraction form
    17,279.88/25,917.17 = 4,798.57/x
  3. Step 3: Cross multiply
    17,279.88x = 25,917.17 × 4,798.57
  4. Step 4: Simplify right side
    17,279.88x = 124,365,241.36
  5. Step 5: Solve for x
    x = 124,365,241.36/17,279.88
  6. Step 6: Final answer
    x = 7,197.11

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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.