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Finding the Fourth Proportional to 4.66, 6.96 and 3.53

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Solution

The fourth proportional to 4.66, 6.96 and 3.53 is: 5.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.66 : 6.96 = 3.53 : x
  2. Step 2: Convert to fraction form
    4.66/6.96 = 3.53/x
  3. Step 3: Cross multiply
    4.66x = 6.96 × 3.53
  4. Step 4: Simplify right side
    4.66x = 24.58
  5. Step 5: Solve for x
    x = 24.58/4.66
  6. Step 6: Final answer
    x = 5.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.