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Finding the Fourth Proportional to 26.57, 36.56 and 22.93

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Solution

The fourth proportional to 26.57, 36.56 and 22.93 is: 31.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26.57 : 36.56 = 22.93 : x
  2. Step 2: Convert to fraction form
    26.57/36.56 = 22.93/x
  3. Step 3: Cross multiply
    26.57x = 36.56 × 22.93
  4. Step 4: Simplify right side
    26.57x = 838.02
  5. Step 5: Solve for x
    x = 838.02/26.57
  6. Step 6: Final answer
    x = 31.54

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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.