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Finding the Fourth Proportional to 6,660.44, 9,192.32 and 3,865.94

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Solution

The fourth proportional to 6,660.44, 9,192.32 and 3,865.94 is: 5,335.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.44 : 9,192.32 = 3,865.94 : x
  2. Step 2: Convert to fraction form
    6,660.44/9,192.32 = 3,865.94/x
  3. Step 3: Cross multiply
    6,660.44x = 9,192.32 × 3,865.94
  4. Step 4: Simplify right side
    6,660.44x = 35,536,957.58
  5. Step 5: Solve for x
    x = 35,536,957.58/6,660.44
  6. Step 6: Final answer
    x = 5,335.53

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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.