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Finding the Fourth Proportional to 32.17, 48.22 and 14.13

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Solution

The fourth proportional to 32.17, 48.22 and 14.13 is: 21.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32.17 : 48.22 = 14.13 : x
  2. Step 2: Convert to fraction form
    32.17/48.22 = 14.13/x
  3. Step 3: Cross multiply
    32.17x = 48.22 × 14.13
  4. Step 4: Simplify right side
    32.17x = 681.35
  5. Step 5: Solve for x
    x = 681.35/32.17
  6. Step 6: Final answer
    x = 21.18

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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.