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Finding the Fourth Proportional to 26.21, 36.14 and 24.35

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Solution

The fourth proportional to 26.21, 36.14 and 24.35 is: 33.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.21 : 36.14 = 24.35 : x
  2. Step 2: Convert to fraction form
    26.21/36.14 = 24.35/x
  3. Step 3: Cross multiply
    26.21x = 36.14 × 24.35
  4. Step 4: Simplify right side
    26.21x = 879.89
  5. Step 5: Solve for x
    x = 879.89/26.21
  6. Step 6: Final answer
    x = 33.57

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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.