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Finding the Fourth Proportional to 3.26, 4.50 and 2.36

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Solution

The fourth proportional to 3.26, 4.50 and 2.36 is: 3.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.26 : 4.50 = 2.36 : x
  2. Step 2: Convert to fraction form
    3.26/4.50 = 2.36/x
  3. Step 3: Cross multiply
    3.26x = 4.50 × 2.36
  4. Step 4: Simplify right side
    3.26x = 10.60
  5. Step 5: Solve for x
    x = 10.60/3.26
  6. Step 6: Final answer
    x = 3.25

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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.