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Finding the Fourth Proportional to 35.43, 52.86 and 33

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Solution

The fourth proportional to 35.43, 52.86 and 33 is: 49.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35.43 : 52.86 = 33 : x
  2. Step 2: Convert to fraction form
    35.43/52.86 = 33/x
  3. Step 3: Cross multiply
    35.43x = 52.86 × 33
  4. Step 4: Simplify right side
    35.43x = 1,744.38
  5. Step 5: Solve for x
    x = 1,744.38/35.43
  6. Step 6: Final answer
    x = 49.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.