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Finding the Fourth Proportional to 26.32, 36.34 and 19.46

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Solution

The fourth proportional to 26.32, 36.34 and 19.46 is: 26.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.32 : 36.34 = 19.46 : x
  2. Step 2: Convert to fraction form
    26.32/36.34 = 19.46/x
  3. Step 3: Cross multiply
    26.32x = 36.34 × 19.46
  4. Step 4: Simplify right side
    26.32x = 707.18
  5. Step 5: Solve for x
    x = 707.18/26.32
  6. Step 6: Final answer
    x = 26.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.