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Finding the Fourth Proportional to 17,469,097.20, 26,203,645.80 and 9,910,825.20

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Solution

The fourth proportional to 17,469,097.20, 26,203,645.80 and 9,910,825.20 is: 14,866,237.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,469,097.20 : 26,203,645.80 = 9,910,825.20 : x
  2. Step 2: Convert to fraction form
    17,469,097.20/26,203,645.80 = 9,910,825.20/x
  3. Step 3: Cross multiply
    17,469,097.20x = 26,203,645.80 × 9,910,825.20
  4. Step 4: Simplify right side
    17,469,097.20x = 259,699,753,126,514.16
  5. Step 5: Solve for x
    x = 259,699,753,126,514.16/17,469,097.20
  6. Step 6: Final answer
    x = 14,866,237.80

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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.