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Finding the Fourth Proportional to 29.96, 41.25 and 29.00

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Solution

The fourth proportional to 29.96, 41.25 and 29.00 is: 39.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.96 : 41.25 = 29.00 : x
  2. Step 2: Convert to fraction form
    29.96/41.25 = 29.00/x
  3. Step 3: Cross multiply
    29.96x = 41.25 × 29.00
  4. Step 4: Simplify right side
    29.96x = 1,196.04
  5. Step 5: Solve for x
    x = 1,196.04/29.96
  6. Step 6: Final answer
    x = 39.93

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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.