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Finding the Fourth Proportional to 17,682.48, 26,520 and 5,992.56

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Solution

The fourth proportional to 17,682.48, 26,520 and 5,992.56 is: 8,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,682.48 : 26,520 = 5,992.56 : x
  2. Step 2: Convert to fraction form
    17,682.48/26,520 = 5,992.56/x
  3. Step 3: Cross multiply
    17,682.48x = 26,520 × 5,992.56
  4. Step 4: Simplify right side
    17,682.48x = 158,922,691.20
  5. Step 5: Solve for x
    x = 158,922,691.20/17,682.48
  6. Step 6: Final answer
    x = 8,987.58

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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.