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Finding the Fourth Proportional to 4.93, 6.76 and 4.54

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Solution

The fourth proportional to 4.93, 6.76 and 4.54 is: 6.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.93 : 6.76 = 4.54 : x
  2. Step 2: Convert to fraction form
    4.93/6.76 = 4.54/x
  3. Step 3: Cross multiply
    4.93x = 6.76 × 4.54
  4. Step 4: Simplify right side
    4.93x = 30.69
  5. Step 5: Solve for x
    x = 30.69/4.93
  6. Step 6: Final answer
    x = 6.23

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.