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Finding the Fourth Proportional to 32.17, 44.38 and 19.23

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Solution

The fourth proportional to 32.17, 44.38 and 19.23 is: 26.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.17 : 44.38 = 19.23 : x
  2. Step 2: Convert to fraction form
    32.17/44.38 = 19.23/x
  3. Step 3: Cross multiply
    32.17x = 44.38 × 19.23
  4. Step 4: Simplify right side
    32.17x = 853.43
  5. Step 5: Solve for x
    x = 853.43/32.17
  6. Step 6: Final answer
    x = 26.53

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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.