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Finding the Fourth Proportional to 29.74, 44.56 and 17.66

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Solution

The fourth proportional to 29.74, 44.56 and 17.66 is: 26.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29.74 : 44.56 = 17.66 : x
  2. Step 2: Convert to fraction form
    29.74/44.56 = 17.66/x
  3. Step 3: Cross multiply
    29.74x = 44.56 × 17.66
  4. Step 4: Simplify right side
    29.74x = 786.93
  5. Step 5: Solve for x
    x = 786.93/29.74
  6. Step 6: Final answer
    x = 26.46

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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.