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Finding the Fourth Proportional to 18,993,823.27, 28,493,572.50 and 6,040,396.52

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Solution

The fourth proportional to 18,993,823.27, 28,493,572.50 and 6,040,396.52 is: 9,061,497.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,993,823.27 : 28,493,572.50 = 6,040,396.52 : x
  2. Step 2: Convert to fraction form
    18,993,823.27/28,493,572.50 = 6,040,396.52/x
  3. Step 3: Cross multiply
    18,993,823.27x = 28,493,572.50 × 6,040,396.52
  4. Step 4: Simplify right side
    18,993,823.27x = 172,112,476,171,367.69
  5. Step 5: Solve for x
    x = 172,112,476,171,367.69/18,993,823.27
  6. Step 6: Final answer
    x = 9,061,497.19

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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.