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Finding the Fourth Proportional to 17,704.30, 26,550.25 and 5,221.01

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Solution

The fourth proportional to 17,704.30, 26,550.25 and 5,221.01 is: 7,829.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,704.30 : 26,550.25 = 5,221.01 : x
  2. Step 2: Convert to fraction form
    17,704.30/26,550.25 = 5,221.01/x
  3. Step 3: Cross multiply
    17,704.30x = 26,550.25 × 5,221.01
  4. Step 4: Simplify right side
    17,704.30x = 138,619,120.75
  5. Step 5: Solve for x
    x = 138,619,120.75/17,704.30
  6. Step 6: Final answer
    x = 7,829.69

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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.