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Finding the Fourth Proportional to 27.16, 37.44 and 25.14

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Solution

The fourth proportional to 27.16, 37.44 and 25.14 is: 34.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.16 : 37.44 = 25.14 : x
  2. Step 2: Convert to fraction form
    27.16/37.44 = 25.14/x
  3. Step 3: Cross multiply
    27.16x = 37.44 × 25.14
  4. Step 4: Simplify right side
    27.16x = 941.21
  5. Step 5: Solve for x
    x = 941.21/27.16
  6. Step 6: Final answer
    x = 34.65

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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.