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Finding the Fourth Proportional to 17,796.24, 26,695.04 and 5,316.44

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Solution

The fourth proportional to 17,796.24, 26,695.04 and 5,316.44 is: 7,974.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,796.24 : 26,695.04 = 5,316.44 : x
  2. Step 2: Convert to fraction form
    17,796.24/26,695.04 = 5,316.44/x
  3. Step 3: Cross multiply
    17,796.24x = 26,695.04 × 5,316.44
  4. Step 4: Simplify right side
    17,796.24x = 141,922,418.40
  5. Step 5: Solve for x
    x = 141,922,418.40/17,796.24
  6. Step 6: Final answer
    x = 7,974.85

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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.