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Finding the Fourth Proportional to 37.84, 56.60 and 22.59

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Solution

The fourth proportional to 37.84, 56.60 and 22.59 is: 33.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37.84 : 56.60 = 22.59 : x
  2. Step 2: Convert to fraction form
    37.84/56.60 = 22.59/x
  3. Step 3: Cross multiply
    37.84x = 56.60 × 22.59
  4. Step 4: Simplify right side
    37.84x = 1,278.59
  5. Step 5: Solve for x
    x = 1,278.59/37.84
  6. Step 6: Final answer
    x = 33.79

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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.