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Finding the Fourth Proportional to 26.94, 37.35 and 25.38

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Solution

The fourth proportional to 26.94, 37.35 and 25.38 is: 35.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.94 : 37.35 = 25.38 : x
  2. Step 2: Convert to fraction form
    26.94/37.35 = 25.38/x
  3. Step 3: Cross multiply
    26.94x = 37.35 × 25.38
  4. Step 4: Simplify right side
    26.94x = 947.94
  5. Step 5: Solve for x
    x = 947.94/26.94
  6. Step 6: Final answer
    x = 35.19

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.