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Finding the Fourth Proportional to 17,110.08, 25,653.60 and 8,779.68

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Solution

The fourth proportional to 17,110.08, 25,653.60 and 8,779.68 is: 13,163.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,110.08 : 25,653.60 = 8,779.68 : x
  2. Step 2: Convert to fraction form
    17,110.08/25,653.60 = 8,779.68/x
  3. Step 3: Cross multiply
    17,110.08x = 25,653.60 × 8,779.68
  4. Step 4: Simplify right side
    17,110.08x = 225,230,398.85
  5. Step 5: Solve for x
    x = 225,230,398.85/17,110.08
  6. Step 6: Final answer
    x = 13,163.61

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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.