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Finding the Fourth Proportional to 3.32, 4.57 and 2.63

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Solution

The fourth proportional to 3.32, 4.57 and 2.63 is: 3.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3.32 : 4.57 = 2.63 : x
  2. Step 2: Convert to fraction form
    3.32/4.57 = 2.63/x
  3. Step 3: Cross multiply
    3.32x = 4.57 × 2.63
  4. Step 4: Simplify right side
    3.32x = 12.02
  5. Step 5: Solve for x
    x = 12.02/3.32
  6. Step 6: Final answer
    x = 3.62

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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.