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Finding the Fourth Proportional to 17,163.18, 25,739.28 and 8,842.10

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Solution

The fourth proportional to 17,163.18, 25,739.28 and 8,842.10 is: 13,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,163.18 : 25,739.28 = 8,842.10 : x
  2. Step 2: Convert to fraction form
    17,163.18/25,739.28 = 8,842.10/x
  3. Step 3: Cross multiply
    17,163.18x = 25,739.28 × 8,842.10
  4. Step 4: Simplify right side
    17,163.18x = 227,589,158.99
  5. Step 5: Solve for x
    x = 227,589,158.99/17,163.18
  6. Step 6: Final answer
    x = 13,260.31

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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.