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Finding the Fourth Proportional to 35.92, 53.85 and 15.33

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Solution

The fourth proportional to 35.92, 53.85 and 15.33 is: 22.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.92 : 53.85 = 15.33 : x
  2. Step 2: Convert to fraction form
    35.92/53.85 = 15.33/x
  3. Step 3: Cross multiply
    35.92x = 53.85 × 15.33
  4. Step 4: Simplify right side
    35.92x = 825.52
  5. Step 5: Solve for x
    x = 825.52/35.92
  6. Step 6: Final answer
    x = 22.98

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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.