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Finding the Fourth Proportional to 3.32, 4.60 and 3.23

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Solution

The fourth proportional to 3.32, 4.60 and 3.23 is: 4.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.32 : 4.60 = 3.23 : x
  2. Step 2: Convert to fraction form
    3.32/4.60 = 3.23/x
  3. Step 3: Cross multiply
    3.32x = 4.60 × 3.23
  4. Step 4: Simplify right side
    3.32x = 14.86
  5. Step 5: Solve for x
    x = 14.86/3.32
  6. Step 6: Final answer
    x = 4.48

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.