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Finding the Fourth Proportional to 37.68, 51.95 and 33.33

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Solution

The fourth proportional to 37.68, 51.95 and 33.33 is: 45.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.68 : 51.95 = 33.33 : x
  2. Step 2: Convert to fraction form
    37.68/51.95 = 33.33/x
  3. Step 3: Cross multiply
    37.68x = 51.95 × 33.33
  4. Step 4: Simplify right side
    37.68x = 1,731.58
  5. Step 5: Solve for x
    x = 1,731.58/37.68
  6. Step 6: Final answer
    x = 45.95

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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.