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Finding the Fourth Proportional to 2,993.91, 4,491.66 and 2,667.09

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Solution

The fourth proportional to 2,993.91, 4,491.66 and 2,667.09 is: 4,001.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993.91 : 4,491.66 = 2,667.09 : x
  2. Step 2: Convert to fraction form
    2,993.91/4,491.66 = 2,667.09/x
  3. Step 3: Cross multiply
    2,993.91x = 4,491.66 × 2,667.09
  4. Step 4: Simplify right side
    2,993.91x = 11,979,661.47
  5. Step 5: Solve for x
    x = 11,979,661.47/2,993.91
  6. Step 6: Final answer
    x = 4,001.34

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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.