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Finding the Fourth Proportional to 17,796.26, 26,698.19 and 5,317.26

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Solution

The fourth proportional to 17,796.26, 26,698.19 and 5,317.26 is: 7,977.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,796.26 : 26,698.19 = 5,317.26 : x
  2. Step 2: Convert to fraction form
    17,796.26/26,698.19 = 5,317.26/x
  3. Step 3: Cross multiply
    17,796.26x = 26,698.19 × 5,317.26
  4. Step 4: Simplify right side
    17,796.26x = 141,961,191.17
  5. Step 5: Solve for x
    x = 141,961,191.17/17,796.26
  6. Step 6: Final answer
    x = 7,977.03

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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.