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Finding the Fourth Proportional to 35.35, 53.01 and 22.49

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Solution

The fourth proportional to 35.35, 53.01 and 22.49 is: 33.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.35 : 53.01 = 22.49 : x
  2. Step 2: Convert to fraction form
    35.35/53.01 = 22.49/x
  3. Step 3: Cross multiply
    35.35x = 53.01 × 22.49
  4. Step 4: Simplify right side
    35.35x = 1,191.82
  5. Step 5: Solve for x
    x = 1,191.82/35.35
  6. Step 6: Final answer
    x = 33.72

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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.