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Finding the Fourth Proportional to 26.84, 40.14 and 23.51

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Solution

The fourth proportional to 26.84, 40.14 and 23.51 is: 35.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.84 : 40.14 = 23.51 : x
  2. Step 2: Convert to fraction form
    26.84/40.14 = 23.51/x
  3. Step 3: Cross multiply
    26.84x = 40.14 × 23.51
  4. Step 4: Simplify right side
    26.84x = 943.69
  5. Step 5: Solve for x
    x = 943.69/26.84
  6. Step 6: Final answer
    x = 35.16

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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.