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Finding the Fourth Proportional to 3.76, 5.63 and 3.32

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Solution

The fourth proportional to 3.76, 5.63 and 3.32 is: 4.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.76 : 5.63 = 3.32 : x
  2. Step 2: Convert to fraction form
    3.76/5.63 = 3.32/x
  3. Step 3: Cross multiply
    3.76x = 5.63 × 3.32
  4. Step 4: Simplify right side
    3.76x = 18.69
  5. Step 5: Solve for x
    x = 18.69/3.76
  6. Step 6: Final answer
    x = 4.97

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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.