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Finding the Fourth Proportional to 24.51, 33.79 and 16.35

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Solution

The fourth proportional to 24.51, 33.79 and 16.35 is: 22.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.51 : 33.79 = 16.35 : x
  2. Step 2: Convert to fraction form
    24.51/33.79 = 16.35/x
  3. Step 3: Cross multiply
    24.51x = 33.79 × 16.35
  4. Step 4: Simplify right side
    24.51x = 552.35
  5. Step 5: Solve for x
    x = 552.35/24.51
  6. Step 6: Final answer
    x = 22.54

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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.