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Finding the Fourth Proportional to 27.95, 41.93 and 27.62

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Solution

The fourth proportional to 27.95, 41.93 and 27.62 is: 41.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.95 : 41.93 = 27.62 : x
  2. Step 2: Convert to fraction form
    27.95/41.93 = 27.62/x
  3. Step 3: Cross multiply
    27.95x = 41.93 × 27.62
  4. Step 4: Simplify right side
    27.95x = 1,158.11
  5. Step 5: Solve for x
    x = 1,158.11/27.95
  6. Step 6: Final answer
    x = 41.43

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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.