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Finding the Fourth Proportional to 8,676,819.95, 13,012,608.71 and 2,609,940.71

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Solution

The fourth proportional to 8,676,819.95, 13,012,608.71 and 2,609,940.71 is: 3,914,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676,819.95 : 13,012,608.71 = 2,609,940.71 : x
  2. Step 2: Convert to fraction form
    8,676,819.95/13,012,608.71 = 2,609,940.71/x
  3. Step 3: Cross multiply
    8,676,819.95x = 13,012,608.71 × 2,609,940.71
  4. Step 4: Simplify right side
    8,676,819.95x = 33,962,137,137,416.84
  5. Step 5: Solve for x
    x = 33,962,137,137,416.84/8,676,819.95
  6. Step 6: Final answer
    x = 3,914,122.61

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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.