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Finding the Fourth Proportional to 3.22, 4.84 and 0.97

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Solution

The fourth proportional to 3.22, 4.84 and 0.97 is: 1.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.22 : 4.84 = 0.97 : x
  2. Step 2: Convert to fraction form
    3.22/4.84 = 0.97/x
  3. Step 3: Cross multiply
    3.22x = 4.84 × 0.97
  4. Step 4: Simplify right side
    3.22x = 4.69
  5. Step 5: Solve for x
    x = 4.69/3.22
  6. Step 6: Final answer
    x = 1.46

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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.