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Finding the Fourth Proportional to 26, 35.84 and 22.76

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Solution

The fourth proportional to 26, 35.84 and 22.76 is: 31.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26 : 35.84 = 22.76 : x
  2. Step 2: Convert to fraction form
    26/35.84 = 22.76/x
  3. Step 3: Cross multiply
    26x = 35.84 × 22.76
  4. Step 4: Simplify right side
    26x = 815.72
  5. Step 5: Solve for x
    x = 815.72/26
  6. Step 6: Final answer
    x = 31.37

Related Problems

Find fourth proportional to 13, 17.92 and 11.38
Half scale
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Double scale
Find fourth proportional to 27, 37.22 and 23.76
Similar ratio
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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.