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Finding the Fourth Proportional to 26.76, 40.14 and 24.36

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Solution

The fourth proportional to 26.76, 40.14 and 24.36 is: 36.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.76 : 40.14 = 24.36 : x
  2. Step 2: Convert to fraction form
    26.76/40.14 = 24.36/x
  3. Step 3: Cross multiply
    26.76x = 40.14 × 24.36
  4. Step 4: Simplify right side
    26.76x = 977.81
  5. Step 5: Solve for x
    x = 977.81/26.76
  6. Step 6: Final answer
    x = 36.54

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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.