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Finding the Fourth Proportional to 4.32, 5.96 and 3.24

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Solution

The fourth proportional to 4.32, 5.96 and 3.24 is: 4.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.32 : 5.96 = 3.24 : x
  2. Step 2: Convert to fraction form
    4.32/5.96 = 3.24/x
  3. Step 3: Cross multiply
    4.32x = 5.96 × 3.24
  4. Step 4: Simplify right side
    4.32x = 19.29
  5. Step 5: Solve for x
    x = 19.29/4.32
  6. Step 6: Final answer
    x = 4.47

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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.