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Finding the Fourth Proportional to 38.33, 52.88 and 35.26

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Solution

The fourth proportional to 38.33, 52.88 and 35.26 is: 48.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38.33 : 52.88 = 35.26 : x
  2. Step 2: Convert to fraction form
    38.33/52.88 = 35.26/x
  3. Step 3: Cross multiply
    38.33x = 52.88 × 35.26
  4. Step 4: Simplify right side
    38.33x = 1,864.55
  5. Step 5: Solve for x
    x = 1,864.55/38.33
  6. Step 6: Final answer
    x = 48.64

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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.