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Finding the Fourth Proportional to 0.44, 0.66 and 0.23

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Solution

The fourth proportional to 0.44, 0.66 and 0.23 is: 0.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.44 : 0.66 = 0.23 : x
  2. Step 2: Convert to fraction form
    0.44/0.66 = 0.23/x
  3. Step 3: Cross multiply
    0.44x = 0.66 × 0.23
  4. Step 4: Simplify right side
    0.44x = 0.15
  5. Step 5: Solve for x
    x = 0.15/0.44
  6. Step 6: Final answer
    x = 0.35

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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.