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Finding the Fourth Proportional to 26.68, 40.04 and 23.12

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Solution

The fourth proportional to 26.68, 40.04 and 23.12 is: 34.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.68 : 40.04 = 23.12 : x
  2. Step 2: Convert to fraction form
    26.68/40.04 = 23.12/x
  3. Step 3: Cross multiply
    26.68x = 40.04 × 23.12
  4. Step 4: Simplify right side
    26.68x = 925.72
  5. Step 5: Solve for x
    x = 925.72/26.68
  6. Step 6: Final answer
    x = 34.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.