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Finding the Fourth Proportional to 26.84, 40.26 and 23

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Solution

The fourth proportional to 26.84, 40.26 and 23 is: 34.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.84 : 40.26 = 23 : x
  2. Step 2: Convert to fraction form
    26.84/40.26 = 23/x
  3. Step 3: Cross multiply
    26.84x = 40.26 × 23
  4. Step 4: Simplify right side
    26.84x = 925.98
  5. Step 5: Solve for x
    x = 925.98/26.84
  6. Step 6: Final answer
    x = 34.50

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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.