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Finding the Fourth Proportional to 5.46, 7.49 and 4.93

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Solution

The fourth proportional to 5.46, 7.49 and 4.93 is: 6.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.46 : 7.49 = 4.93 : x
  2. Step 2: Convert to fraction form
    5.46/7.49 = 4.93/x
  3. Step 3: Cross multiply
    5.46x = 7.49 × 4.93
  4. Step 4: Simplify right side
    5.46x = 36.93
  5. Step 5: Solve for x
    x = 36.93/5.46
  6. Step 6: Final answer
    x = 6.76

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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.