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Finding the Fourth Proportional to 17,697.96, 26,488.62 and 15,753.96

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Solution

The fourth proportional to 17,697.96, 26,488.62 and 15,753.96 is: 23,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.96 : 26,488.62 = 15,753.96 : x
  2. Step 2: Convert to fraction form
    17,697.96/26,488.62 = 15,753.96/x
  3. Step 3: Cross multiply
    17,697.96x = 26,488.62 × 15,753.96
  4. Step 4: Simplify right side
    17,697.96x = 417,300,659.94
  5. Step 5: Solve for x
    x = 417,300,659.94/17,697.96
  6. Step 6: Final answer
    x = 23,579.03

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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.