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Finding the Fourth Proportional to 26.58, 36.93 and 26.13

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Solution

The fourth proportional to 26.58, 36.93 and 26.13 is: 36.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.58 : 36.93 = 26.13 : x
  2. Step 2: Convert to fraction form
    26.58/36.93 = 26.13/x
  3. Step 3: Cross multiply
    26.58x = 36.93 × 26.13
  4. Step 4: Simplify right side
    26.58x = 964.98
  5. Step 5: Solve for x
    x = 964.98/26.58
  6. Step 6: Final answer
    x = 36.30

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.