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Finding the Fourth Proportional to 0.32, 0.44 and 0.19

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Solution

The fourth proportional to 0.32, 0.44 and 0.19 is: 0.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.32 : 0.44 = 0.19 : x
  2. Step 2: Convert to fraction form
    0.32/0.44 = 0.19/x
  3. Step 3: Cross multiply
    0.32x = 0.44 × 0.19
  4. Step 4: Simplify right side
    0.32x = 0.08
  5. Step 5: Solve for x
    x = 0.08/0.32
  6. Step 6: Final answer
    x = 0.26

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1.5x scale

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.