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Finding the Fourth Proportional to 44.74, 67.05 and 29.50

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Solution

The fourth proportional to 44.74, 67.05 and 29.50 is: 44.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.74 : 67.05 = 29.50 : x
  2. Step 2: Convert to fraction form
    44.74/67.05 = 29.50/x
  3. Step 3: Cross multiply
    44.74x = 67.05 × 29.50
  4. Step 4: Simplify right side
    44.74x = 1,977.98
  5. Step 5: Solve for x
    x = 1,977.98/44.74
  6. Step 6: Final answer
    x = 44.21

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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.