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Finding the Fourth Proportional to 3,184.33, 4,777.02 and 992.62

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Solution

The fourth proportional to 3,184.33, 4,777.02 and 992.62 is: 1,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.33 : 4,777.02 = 992.62 : x
  2. Step 2: Convert to fraction form
    3,184.33/4,777.02 = 992.62/x
  3. Step 3: Cross multiply
    3,184.33x = 4,777.02 × 992.62
  4. Step 4: Simplify right side
    3,184.33x = 4,741,765.59
  5. Step 5: Solve for x
    x = 4,741,765.59/3,184.33
  6. Step 6: Final answer
    x = 1,489.09

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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.