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Finding the Fourth Proportional to 5,776,751.58, 7,972,166.34 and 3,198,432.30

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Solution

The fourth proportional to 5,776,751.58, 7,972,166.34 and 3,198,432.30 is: 4,413,974.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,776,751.58 : 7,972,166.34 = 3,198,432.30 : x
  2. Step 2: Convert to fraction form
    5,776,751.58/7,972,166.34 = 3,198,432.30/x
  3. Step 3: Cross multiply
    5,776,751.58x = 7,972,166.34 × 3,198,432.30
  4. Step 4: Simplify right side
    5,776,751.58x = 25,498,434,322,828.78
  5. Step 5: Solve for x
    x = 25,498,434,322,828.78/5,776,751.58
  6. Step 6: Final answer
    x = 4,413,974.53

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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.