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Finding the Fourth Proportional to 44.34, 66.48 and 33.63

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Solution

The fourth proportional to 44.34, 66.48 and 33.63 is: 50.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.34 : 66.48 = 33.63 : x
  2. Step 2: Convert to fraction form
    44.34/66.48 = 33.63/x
  3. Step 3: Cross multiply
    44.34x = 66.48 × 33.63
  4. Step 4: Simplify right side
    44.34x = 2,235.72
  5. Step 5: Solve for x
    x = 2,235.72/44.34
  6. Step 6: Final answer
    x = 50.42

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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.