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Finding the Fourth Proportional to 7,894,789.19, 11,846,907.71 and 7,252,336.07

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Solution

The fourth proportional to 7,894,789.19, 11,846,907.71 and 7,252,336.07 is: 10,882,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,894,789.19 : 11,846,907.71 = 7,252,336.07 : x
  2. Step 2: Convert to fraction form
    7,894,789.19/11,846,907.71 = 7,252,336.07/x
  3. Step 3: Cross multiply
    7,894,789.19x = 11,846,907.71 × 7,252,336.07
  4. Step 4: Simplify right side
    7,894,789.19x = 85,917,756,103,194.11
  5. Step 5: Solve for x
    x = 85,917,756,103,194.11/7,894,789.19
  6. Step 6: Final answer
    x = 10,882,843.61

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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.