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Finding the Fourth Proportional to 26.35, 39.51 and 14.33

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Solution

The fourth proportional to 26.35, 39.51 and 14.33 is: 21.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.35 : 39.51 = 14.33 : x
  2. Step 2: Convert to fraction form
    26.35/39.51 = 14.33/x
  3. Step 3: Cross multiply
    26.35x = 39.51 × 14.33
  4. Step 4: Simplify right side
    26.35x = 566.28
  5. Step 5: Solve for x
    x = 566.28/26.35
  6. Step 6: Final answer
    x = 21.49

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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.