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Finding the Fourth Proportional to 5,776,794.72, 7,972,225.61 and 3,198,475.35

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Solution

The fourth proportional to 5,776,794.72, 7,972,225.61 and 3,198,475.35 is: 4,414,033.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776,794.72 : 7,972,225.61 = 3,198,475.35 : x
  2. Step 2: Convert to fraction form
    5,776,794.72/7,972,225.61 = 3,198,475.35/x
  3. Step 3: Cross multiply
    5,776,794.72x = 7,972,225.61 × 3,198,475.35
  4. Step 4: Simplify right side
    5,776,794.72x = 25,498,967,082,231.34
  5. Step 5: Solve for x
    x = 25,498,967,082,231.34/5,776,794.72
  6. Step 6: Final answer
    x = 4,414,033.79

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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.