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Finding the Fourth Proportional to 37.94, 56.90 and 22.01

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Solution

The fourth proportional to 37.94, 56.90 and 22.01 is: 33.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.94 : 56.90 = 22.01 : x
  2. Step 2: Convert to fraction form
    37.94/56.90 = 22.01/x
  3. Step 3: Cross multiply
    37.94x = 56.90 × 22.01
  4. Step 4: Simplify right side
    37.94x = 1,252.14
  5. Step 5: Solve for x
    x = 1,252.14/37.94
  6. Step 6: Final answer
    x = 33.01

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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.