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Finding the Fourth Proportional to 33.04, 49.26 and 31.14

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Solution

The fourth proportional to 33.04, 49.26 and 31.14 is: 46.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.04 : 49.26 = 31.14 : x
  2. Step 2: Convert to fraction form
    33.04/49.26 = 31.14/x
  3. Step 3: Cross multiply
    33.04x = 49.26 × 31.14
  4. Step 4: Simplify right side
    33.04x = 1,533.96
  5. Step 5: Solve for x
    x = 1,533.96/33.04
  6. Step 6: Final answer
    x = 46.43

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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.