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Finding the Fourth Proportional to 43,911.69, 65,879.86 and 17,634.88

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Solution

The fourth proportional to 43,911.69, 65,879.86 and 17,634.88 is: 26,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,911.69 : 65,879.86 = 17,634.88 : x
  2. Step 2: Convert to fraction form
    43,911.69/65,879.86 = 17,634.88/x
  3. Step 3: Cross multiply
    43,911.69x = 65,879.86 × 17,634.88
  4. Step 4: Simplify right side
    43,911.69x = 1,161,783,425.52
  5. Step 5: Solve for x
    x = 1,161,783,425.52/43,911.69
  6. Step 6: Final answer
    x = 26,457.27

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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.