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Finding the Fourth Proportional to 3.37, 4.66 and 2.77

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Solution

The fourth proportional to 3.37, 4.66 and 2.77 is: 3.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.37 : 4.66 = 2.77 : x
  2. Step 2: Convert to fraction form
    3.37/4.66 = 2.77/x
  3. Step 3: Cross multiply
    3.37x = 4.66 × 2.77
  4. Step 4: Simplify right side
    3.37x = 12.91
  5. Step 5: Solve for x
    x = 12.91/3.37
  6. Step 6: Final answer
    x = 3.83

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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.