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Finding the Fourth Proportional to 32.17, 44.40 and 17.62

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Solution

The fourth proportional to 32.17, 44.40 and 17.62 is: 24.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.17 : 44.40 = 17.62 : x
  2. Step 2: Convert to fraction form
    32.17/44.40 = 17.62/x
  3. Step 3: Cross multiply
    32.17x = 44.40 × 17.62
  4. Step 4: Simplify right side
    32.17x = 782.17
  5. Step 5: Solve for x
    x = 782.17/32.17
  6. Step 6: Final answer
    x = 24.31

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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.