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Finding the Fourth Proportional to 6,809,336.88, 9,396,949.50 and 3,753,660.48

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Solution

The fourth proportional to 6,809,336.88, 9,396,949.50 and 3,753,660.48 is: 5,180,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809,336.88 : 9,396,949.50 = 3,753,660.48 : x
  2. Step 2: Convert to fraction form
    6,809,336.88/9,396,949.50 = 3,753,660.48/x
  3. Step 3: Cross multiply
    6,809,336.88x = 9,396,949.50 × 3,753,660.48
  4. Step 4: Simplify right side
    6,809,336.88x = 35,272,957,970,705.76
  5. Step 5: Solve for x
    x = 35,272,957,970,705.76/6,809,336.88
  6. Step 6: Final answer
    x = 5,180,087.08

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1.5x scale

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.