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Finding the Fourth Proportional to 33.16, 49.60 and 26.36

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Solution

The fourth proportional to 33.16, 49.60 and 26.36 is: 39.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.16 : 49.60 = 26.36 : x
  2. Step 2: Convert to fraction form
    33.16/49.60 = 26.36/x
  3. Step 3: Cross multiply
    33.16x = 49.60 × 26.36
  4. Step 4: Simplify right side
    33.16x = 1,307.46
  5. Step 5: Solve for x
    x = 1,307.46/33.16
  6. Step 6: Final answer
    x = 39.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.