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Finding the Fourth Proportional to 23.06, 31.83 and 16.93

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Solution

The fourth proportional to 23.06, 31.83 and 16.93 is: 23.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.06 : 31.83 = 16.93 : x
  2. Step 2: Convert to fraction form
    23.06/31.83 = 16.93/x
  3. Step 3: Cross multiply
    23.06x = 31.83 × 16.93
  4. Step 4: Simplify right side
    23.06x = 538.72
  5. Step 5: Solve for x
    x = 538.72/23.06
  6. Step 6: Final answer
    x = 23.37

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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.