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Finding the Fourth Proportional to 29.69, 44.72 and 25.94

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Solution

The fourth proportional to 29.69, 44.72 and 25.94 is: 39.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.69 : 44.72 = 25.94 : x
  2. Step 2: Convert to fraction form
    29.69/44.72 = 25.94/x
  3. Step 3: Cross multiply
    29.69x = 44.72 × 25.94
  4. Step 4: Simplify right side
    29.69x = 1,159.88
  5. Step 5: Solve for x
    x = 1,159.88/29.69
  6. Step 6: Final answer
    x = 39.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.