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Finding the Fourth Proportional to 29,987,791.98, 44,981,687.97 and 7,268,689.50

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Solution

The fourth proportional to 29,987,791.98, 44,981,687.97 and 7,268,689.50 is: 10,903,034.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,987,791.98 : 44,981,687.97 = 7,268,689.50 : x
  2. Step 2: Convert to fraction form
    29,987,791.98/44,981,687.97 = 7,268,689.50/x
  3. Step 3: Cross multiply
    29,987,791.98x = 44,981,687.97 × 7,268,689.50
  4. Step 4: Simplify right side
    29,987,791.98x = 326,957,923,039,815.31
  5. Step 5: Solve for x
    x = 326,957,923,039,815.31/29,987,791.98
  6. Step 6: Final answer
    x = 10,903,034.25

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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.