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Finding the Fourth Proportional to 44.74, 67.10 and 14.30

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Solution

The fourth proportional to 44.74, 67.10 and 14.30 is: 21.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.74 : 67.10 = 14.30 : x
  2. Step 2: Convert to fraction form
    44.74/67.10 = 14.30/x
  3. Step 3: Cross multiply
    44.74x = 67.10 × 14.30
  4. Step 4: Simplify right side
    44.74x = 959.37
  5. Step 5: Solve for x
    x = 959.37/44.74
  6. Step 6: Final answer
    x = 21.44

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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.