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Finding the Fourth Proportional to 17,076.75, 25,619.45 and 4,764.75

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Solution

The fourth proportional to 17,076.75, 25,619.45 and 4,764.75 is: 7,148.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,076.75 : 25,619.45 = 4,764.75 : x
  2. Step 2: Convert to fraction form
    17,076.75/25,619.45 = 4,764.75/x
  3. Step 3: Cross multiply
    17,076.75x = 25,619.45 × 4,764.75
  4. Step 4: Simplify right side
    17,076.75x = 122,070,250.56
  5. Step 5: Solve for x
    x = 122,070,250.56/17,076.75
  6. Step 6: Final answer
    x = 7,148.33

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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.