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Finding the Fourth Proportional to 26.02, 39.04 and 16.98

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Solution

The fourth proportional to 26.02, 39.04 and 16.98 is: 25.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.02 : 39.04 = 16.98 : x
  2. Step 2: Convert to fraction form
    26.02/39.04 = 16.98/x
  3. Step 3: Cross multiply
    26.02x = 39.04 × 16.98
  4. Step 4: Simplify right side
    26.02x = 662.90
  5. Step 5: Solve for x
    x = 662.90/26.02
  6. Step 6: Final answer
    x = 25.48

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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.