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Finding the Fourth Proportional to 55.33, 82.95 and 26.44

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Solution

The fourth proportional to 55.33, 82.95 and 26.44 is: 39.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.33 : 82.95 = 26.44 : x
  2. Step 2: Convert to fraction form
    55.33/82.95 = 26.44/x
  3. Step 3: Cross multiply
    55.33x = 82.95 × 26.44
  4. Step 4: Simplify right side
    55.33x = 2,192.99
  5. Step 5: Solve for x
    x = 2,192.99/55.33
  6. Step 6: Final answer
    x = 39.64

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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.