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Finding the Fourth Proportional to 29.94, 41.25 and 22.62

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Solution

The fourth proportional to 29.94, 41.25 and 22.62 is: 31.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.94 : 41.25 = 22.62 : x
  2. Step 2: Convert to fraction form
    29.94/41.25 = 22.62/x
  3. Step 3: Cross multiply
    29.94x = 41.25 × 22.62
  4. Step 4: Simplify right side
    29.94x = 933.08
  5. Step 5: Solve for x
    x = 933.08/29.94
  6. Step 6: Final answer
    x = 31.16

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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.