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Finding the Fourth Proportional to 48.33, 66.73 and 35.22

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Solution

The fourth proportional to 48.33, 66.73 and 35.22 is: 48.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.33 : 66.73 = 35.22 : x
  2. Step 2: Convert to fraction form
    48.33/66.73 = 35.22/x
  3. Step 3: Cross multiply
    48.33x = 66.73 × 35.22
  4. Step 4: Simplify right side
    48.33x = 2,350.23
  5. Step 5: Solve for x
    x = 2,350.23/48.33
  6. Step 6: Final answer
    x = 48.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.