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Finding the Fourth Proportional to 27.54, 37.95 and 26.53

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Solution

The fourth proportional to 27.54, 37.95 and 26.53 is: 36.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.54 : 37.95 = 26.53 : x
  2. Step 2: Convert to fraction form
    27.54/37.95 = 26.53/x
  3. Step 3: Cross multiply
    27.54x = 37.95 × 26.53
  4. Step 4: Simplify right side
    27.54x = 1,006.75
  5. Step 5: Solve for x
    x = 1,006.75/27.54
  6. Step 6: Final answer
    x = 36.55

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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.