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Finding the Fourth Proportional to 31.44, 46.83 and 26.52

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Solution

The fourth proportional to 31.44, 46.83 and 26.52 is: 39.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31.44 : 46.83 = 26.52 : x
  2. Step 2: Convert to fraction form
    31.44/46.83 = 26.52/x
  3. Step 3: Cross multiply
    31.44x = 46.83 × 26.52
  4. Step 4: Simplify right side
    31.44x = 1,241.93
  5. Step 5: Solve for x
    x = 1,241.93/31.44
  6. Step 6: Final answer
    x = 39.50

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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.