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Finding the Fourth Proportional to 44.44, 66.60 and 29.16

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Solution

The fourth proportional to 44.44, 66.60 and 29.16 is: 43.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.44 : 66.60 = 29.16 : x
  2. Step 2: Convert to fraction form
    44.44/66.60 = 29.16/x
  3. Step 3: Cross multiply
    44.44x = 66.60 × 29.16
  4. Step 4: Simplify right side
    44.44x = 1,942.06
  5. Step 5: Solve for x
    x = 1,942.06/44.44
  6. Step 6: Final answer
    x = 43.70

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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.