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Finding the Fourth Proportional to 29.68, 44.52 and 18.14

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Solution

The fourth proportional to 29.68, 44.52 and 18.14 is: 27.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.68 : 44.52 = 18.14 : x
  2. Step 2: Convert to fraction form
    29.68/44.52 = 18.14/x
  3. Step 3: Cross multiply
    29.68x = 44.52 × 18.14
  4. Step 4: Simplify right side
    29.68x = 807.30
  5. Step 5: Solve for x
    x = 807.30/29.68
  6. Step 6: Final answer
    x = 27.20

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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.