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Finding the Fourth Proportional to 4,660.54, 6,990.91 and 1,197.79

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Solution

The fourth proportional to 4,660.54, 6,990.91 and 1,197.79 is: 1,796.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,660.54 : 6,990.91 = 1,197.79 : x
  2. Step 2: Convert to fraction form
    4,660.54/6,990.91 = 1,197.79/x
  3. Step 3: Cross multiply
    4,660.54x = 6,990.91 × 1,197.79
  4. Step 4: Simplify right side
    4,660.54x = 8,373,621.62
  5. Step 5: Solve for x
    x = 8,373,621.62/4,660.54
  6. Step 6: Final answer
    x = 1,796.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.