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Finding the Fourth Proportional to 17,028.66, 25,558.44 and 8,714.42

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Solution

The fourth proportional to 17,028.66, 25,558.44 and 8,714.42 is: 13,079.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,028.66 : 25,558.44 = 8,714.42 : x
  2. Step 2: Convert to fraction form
    17,028.66/25,558.44 = 8,714.42/x
  3. Step 3: Cross multiply
    17,028.66x = 25,558.44 × 8,714.42
  4. Step 4: Simplify right side
    17,028.66x = 222,726,980.70
  5. Step 5: Solve for x
    x = 222,726,980.70/17,028.66
  6. Step 6: Final answer
    x = 13,079.54

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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.