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Finding the Fourth Proportional to 49,995,929.75, 74,978,329.55 and 17,640,251.73

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Solution

The fourth proportional to 49,995,929.75, 74,978,329.55 and 17,640,251.73 is: 26,454,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,995,929.75 : 74,978,329.55 = 17,640,251.73 : x
  2. Step 2: Convert to fraction form
    49,995,929.75/74,978,329.55 = 17,640,251.73/x
  3. Step 3: Cross multiply
    49,995,929.75x = 74,978,329.55 × 17,640,251.73
  4. Step 4: Simplify right side
    49,995,929.75x = 1,322,636,607,600,998.25
  5. Step 5: Solve for x
    x = 1,322,636,607,600,998.25/49,995,929.75
  6. Step 6: Final answer
    x = 26,454,885.71

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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.