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Finding the Fourth Proportional to 2.91, 4.37 and 2.44

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Solution

The fourth proportional to 2.91, 4.37 and 2.44 is: 3.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.91 : 4.37 = 2.44 : x
  2. Step 2: Convert to fraction form
    2.91/4.37 = 2.44/x
  3. Step 3: Cross multiply
    2.91x = 4.37 × 2.44
  4. Step 4: Simplify right side
    2.91x = 10.66
  5. Step 5: Solve for x
    x = 10.66/2.91
  6. Step 6: Final answer
    x = 3.66

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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.