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Finding the Fourth Proportional to 29.94, 41.32 and 17

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Solution

The fourth proportional to 29.94, 41.32 and 17 is: 23.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.94 : 41.32 = 17 : x
  2. Step 2: Convert to fraction form
    29.94/41.32 = 17/x
  3. Step 3: Cross multiply
    29.94x = 41.32 × 17
  4. Step 4: Simplify right side
    29.94x = 702.36
  5. Step 5: Solve for x
    x = 702.36/29.94
  6. Step 6: Final answer
    x = 23.46

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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.