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Finding the Fourth Proportional to 17,253,364.70, 25,858,067.70 and 9,170,212.70

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Solution

The fourth proportional to 17,253,364.70, 25,858,067.70 and 9,170,212.70 is: 13,743,636.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,253,364.70 : 25,858,067.70 = 9,170,212.70 : x
  2. Step 2: Convert to fraction form
    17,253,364.70/25,858,067.70 = 9,170,212.70/x
  3. Step 3: Cross multiply
    17,253,364.70x = 25,858,067.70 × 9,170,212.70
  4. Step 4: Simplify right side
    17,253,364.70x = 237,123,980,819,999.75
  5. Step 5: Solve for x
    x = 237,123,980,819,999.75/17,253,364.70
  6. Step 6: Final answer
    x = 13,743,636.96

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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.