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Finding the Fourth Proportional to 29.16, 43.68 and 23.73

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Solution

The fourth proportional to 29.16, 43.68 and 23.73 is: 35.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.16 : 43.68 = 23.73 : x
  2. Step 2: Convert to fraction form
    29.16/43.68 = 23.73/x
  3. Step 3: Cross multiply
    29.16x = 43.68 × 23.73
  4. Step 4: Simplify right side
    29.16x = 1,036.53
  5. Step 5: Solve for x
    x = 1,036.53/29.16
  6. Step 6: Final answer
    x = 35.55

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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.