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Finding the Fourth Proportional to 10,273,846.82, 15,412,978.79 and 2,987,433.17

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Solution

The fourth proportional to 10,273,846.82, 15,412,978.79 and 2,987,433.17 is: 4,481,791.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,273,846.82 : 15,412,978.79 = 2,987,433.17 : x
  2. Step 2: Convert to fraction form
    10,273,846.82/15,412,978.79 = 2,987,433.17/x
  3. Step 3: Cross multiply
    10,273,846.82x = 15,412,978.79 × 2,987,433.17
  4. Step 4: Simplify right side
    10,273,846.82x = 46,045,243,993,750.41
  5. Step 5: Solve for x
    x = 46,045,243,993,750.41/10,273,846.82
  6. Step 6: Final answer
    x = 4,481,791.95

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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.