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Finding the Fourth Proportional to 35.44, 53.22 and 29.76

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Solution

The fourth proportional to 35.44, 53.22 and 29.76 is: 44.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.44 : 53.22 = 29.76 : x
  2. Step 2: Convert to fraction form
    35.44/53.22 = 29.76/x
  3. Step 3: Cross multiply
    35.44x = 53.22 × 29.76
  4. Step 4: Simplify right side
    35.44x = 1,583.83
  5. Step 5: Solve for x
    x = 1,583.83/35.44
  6. Step 6: Final answer
    x = 44.69

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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.