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Finding the Fourth Proportional to 44.29, 66.44 and 35.74

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Solution

The fourth proportional to 44.29, 66.44 and 35.74 is: 53.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.29 : 66.44 = 35.74 : x
  2. Step 2: Convert to fraction form
    44.29/66.44 = 35.74/x
  3. Step 3: Cross multiply
    44.29x = 66.44 × 35.74
  4. Step 4: Simplify right side
    44.29x = 2,374.57
  5. Step 5: Solve for x
    x = 2,374.57/44.29
  6. Step 6: Final answer
    x = 53.61

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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.