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Finding the Fourth Proportional to 33.27, 49.65 and 31.01

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Solution

The fourth proportional to 33.27, 49.65 and 31.01 is: 46.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.27 : 49.65 = 31.01 : x
  2. Step 2: Convert to fraction form
    33.27/49.65 = 31.01/x
  3. Step 3: Cross multiply
    33.27x = 49.65 × 31.01
  4. Step 4: Simplify right side
    33.27x = 1,539.40
  5. Step 5: Solve for x
    x = 1,539.40/33.27
  6. Step 6: Final answer
    x = 46.27

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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.