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Finding the Fourth Proportional to 7,009,992, 9,673,789.50 and 3,790,728

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Solution

The fourth proportional to 7,009,992, 9,673,789.50 and 3,790,728 is: 5,231,204.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009,992 : 9,673,789.50 = 3,790,728 : x
  2. Step 2: Convert to fraction form
    7,009,992/9,673,789.50 = 3,790,728/x
  3. Step 3: Cross multiply
    7,009,992x = 9,673,789.50 × 3,790,728
  4. Step 4: Simplify right side
    7,009,992x = 36,670,704,723,756
  5. Step 5: Solve for x
    x = 36,670,704,723,756/7,009,992
  6. Step 6: Final answer
    x = 5,231,204.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.