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Finding the Fourth Proportional to 6,679,462.74, 9,217,375.74 and 3,778,902.96

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Solution

The fourth proportional to 6,679,462.74, 9,217,375.74 and 3,778,902.96 is: 5,214,726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,679,462.74 : 9,217,375.74 = 3,778,902.96 : x
  2. Step 2: Convert to fraction form
    6,679,462.74/9,217,375.74 = 3,778,902.96/x
  3. Step 3: Cross multiply
    6,679,462.74x = 9,217,375.74 × 3,778,902.96
  4. Step 4: Simplify right side
    6,679,462.74x = 34,831,568,467,318.19
  5. Step 5: Solve for x
    x = 34,831,568,467,318.19/6,679,462.74
  6. Step 6: Final answer
    x = 5,214,726.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.