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Finding the Fourth Proportional to 35.67, 53.50 and 17.63

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Solution

The fourth proportional to 35.67, 53.50 and 17.63 is: 26.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.67 : 53.50 = 17.63 : x
  2. Step 2: Convert to fraction form
    35.67/53.50 = 17.63/x
  3. Step 3: Cross multiply
    35.67x = 53.50 × 17.63
  4. Step 4: Simplify right side
    35.67x = 943.21
  5. Step 5: Solve for x
    x = 943.21/35.67
  6. Step 6: Final answer
    x = 26.44

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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.