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Finding the Fourth Proportional to 17,469.30, 26,187.48 and 8,695.92

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Solution

The fourth proportional to 17,469.30, 26,187.48 and 8,695.92 is: 13,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,469.30 : 26,187.48 = 8,695.92 : x
  2. Step 2: Convert to fraction form
    17,469.30/26,187.48 = 8,695.92/x
  3. Step 3: Cross multiply
    17,469.30x = 26,187.48 × 8,695.92
  4. Step 4: Simplify right side
    17,469.30x = 227,724,231.08
  5. Step 5: Solve for x
    x = 227,724,231.08/17,469.30
  6. Step 6: Final answer
    x = 13,035.68

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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.