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Finding the Fourth Proportional to 26.46, 39.96 and 26.46

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Solution

The fourth proportional to 26.46, 39.96 and 26.46 is: 39.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.46 : 39.96 = 26.46 : x
  2. Step 2: Convert to fraction form
    26.46/39.96 = 26.46/x
  3. Step 3: Cross multiply
    26.46x = 39.96 × 26.46
  4. Step 4: Simplify right side
    26.46x = 1,057.34
  5. Step 5: Solve for x
    x = 1,057.34/26.46
  6. Step 6: Final answer
    x = 39.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.