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Finding the Fourth Proportional to 6,636,087.07, 9,943,990.41 and 4,469,099.54

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Solution

The fourth proportional to 6,636,087.07, 9,943,990.41 and 4,469,099.54 is: 6,696,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,636,087.07 : 9,943,990.41 = 4,469,099.54 : x
  2. Step 2: Convert to fraction form
    6,636,087.07/9,943,990.41 = 4,469,099.54/x
  3. Step 3: Cross multiply
    6,636,087.07x = 9,943,990.41 × 4,469,099.54
  4. Step 4: Simplify right side
    6,636,087.07x = 44,440,682,934,134.59
  5. Step 5: Solve for x
    x = 44,440,682,934,134.59/6,636,087.07
  6. Step 6: Final answer
    x = 6,696,820.35

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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.