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Finding the Fourth Proportional to 35.92, 53.90 and 22.35

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Solution

The fourth proportional to 35.92, 53.90 and 22.35 is: 33.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.92 : 53.90 = 22.35 : x
  2. Step 2: Convert to fraction form
    35.92/53.90 = 22.35/x
  3. Step 3: Cross multiply
    35.92x = 53.90 × 22.35
  4. Step 4: Simplify right side
    35.92x = 1,204.67
  5. Step 5: Solve for x
    x = 1,204.67/35.92
  6. Step 6: Final answer
    x = 33.54

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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.