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Finding the Fourth Proportional to 35.69, 53.50 and 22.17

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Solution

The fourth proportional to 35.69, 53.50 and 22.17 is: 33.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.69 : 53.50 = 22.17 : x
  2. Step 2: Convert to fraction form
    35.69/53.50 = 22.17/x
  3. Step 3: Cross multiply
    35.69x = 53.50 × 22.17
  4. Step 4: Simplify right side
    35.69x = 1,186.10
  5. Step 5: Solve for x
    x = 1,186.10/35.69
  6. Step 6: Final answer
    x = 33.23

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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.