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Finding the Fourth Proportional to 26.82, 37 and 22.74

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Solution

The fourth proportional to 26.82, 37 and 22.74 is: 31.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.82 : 37 = 22.74 : x
  2. Step 2: Convert to fraction form
    26.82/37 = 22.74/x
  3. Step 3: Cross multiply
    26.82x = 37 × 22.74
  4. Step 4: Simplify right side
    26.82x = 841.38
  5. Step 5: Solve for x
    x = 841.38/26.82
  6. Step 6: Final answer
    x = 31.37

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1.5x scale

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.