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Finding the Fourth Proportional to 36.24, 49.95 and 33.36

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Solution

The fourth proportional to 36.24, 49.95 and 33.36 is: 45.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.24 : 49.95 = 33.36 : x
  2. Step 2: Convert to fraction form
    36.24/49.95 = 33.36/x
  3. Step 3: Cross multiply
    36.24x = 49.95 × 33.36
  4. Step 4: Simplify right side
    36.24x = 1,666.33
  5. Step 5: Solve for x
    x = 1,666.33/36.24
  6. Step 6: Final answer
    x = 45.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.