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Finding the Fourth Proportional to 6,601,571.06, 9,902,494.83 and 2,113,834.10

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Solution

The fourth proportional to 6,601,571.06, 9,902,494.83 and 2,113,834.10 is: 3,170,795.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601,571.06 : 9,902,494.83 = 2,113,834.10 : x
  2. Step 2: Convert to fraction form
    6,601,571.06/9,902,494.83 = 2,113,834.10/x
  3. Step 3: Cross multiply
    6,601,571.06x = 9,902,494.83 × 2,113,834.10
  4. Step 4: Simplify right side
    6,601,571.06x = 20,932,231,246,727.70
  5. Step 5: Solve for x
    x = 20,932,231,246,727.70/6,601,571.06
  6. Step 6: Final answer
    x = 3,170,795.41

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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.