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Finding the Fourth Proportional to 35.44, 48.24 and 35.20

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Solution

The fourth proportional to 35.44, 48.24 and 35.20 is: 47.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.44 : 48.24 = 35.20 : x
  2. Step 2: Convert to fraction form
    35.44/48.24 = 35.20/x
  3. Step 3: Cross multiply
    35.44x = 48.24 × 35.20
  4. Step 4: Simplify right side
    35.44x = 1,698.05
  5. Step 5: Solve for x
    x = 1,698.05/35.44
  6. Step 6: Final answer
    x = 47.91

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.