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Finding the Fourth Proportional to 17,697.36, 26,550 and 5,217.24

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Solution

The fourth proportional to 17,697.36, 26,550 and 5,217.24 is: 7,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.36 : 26,550 = 5,217.24 : x
  2. Step 2: Convert to fraction form
    17,697.36/26,550 = 5,217.24/x
  3. Step 3: Cross multiply
    17,697.36x = 26,550 × 5,217.24
  4. Step 4: Simplify right side
    17,697.36x = 138,517,722
  5. Step 5: Solve for x
    x = 138,517,722/17,697.36
  6. Step 6: Final answer
    x = 7,827.03

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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.