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Finding the Fourth Proportional to 37.36, 56 and 33.12

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Solution

The fourth proportional to 37.36, 56 and 33.12 is: 49.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.36 : 56 = 33.12 : x
  2. Step 2: Convert to fraction form
    37.36/56 = 33.12/x
  3. Step 3: Cross multiply
    37.36x = 56 × 33.12
  4. Step 4: Simplify right side
    37.36x = 1,854.72
  5. Step 5: Solve for x
    x = 1,854.72/37.36
  6. Step 6: Final answer
    x = 49.64

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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.