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Finding the Fourth Proportional to 3.53, 4.86 and 2.37

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Solution

The fourth proportional to 3.53, 4.86 and 2.37 is: 3.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.53 : 4.86 = 2.37 : x
  2. Step 2: Convert to fraction form
    3.53/4.86 = 2.37/x
  3. Step 3: Cross multiply
    3.53x = 4.86 × 2.37
  4. Step 4: Simplify right side
    3.53x = 11.52
  5. Step 5: Solve for x
    x = 11.52/3.53
  6. Step 6: Final answer
    x = 3.27

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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.