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Finding the Fourth Proportional to 4.43, 6.66 and 2.95

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Solution

The fourth proportional to 4.43, 6.66 and 2.95 is: 4.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.43 : 6.66 = 2.95 : x
  2. Step 2: Convert to fraction form
    4.43/6.66 = 2.95/x
  3. Step 3: Cross multiply
    4.43x = 6.66 × 2.95
  4. Step 4: Simplify right side
    4.43x = 19.63
  5. Step 5: Solve for x
    x = 19.63/4.43
  6. Step 6: Final answer
    x = 4.43

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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.