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Finding the Fourth Proportional to 4.93, 6.80 and 3.32

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Solution

The fourth proportional to 4.93, 6.80 and 3.32 is: 4.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.93 : 6.80 = 3.32 : x
  2. Step 2: Convert to fraction form
    4.93/6.80 = 3.32/x
  3. Step 3: Cross multiply
    4.93x = 6.80 × 3.32
  4. Step 4: Simplify right side
    4.93x = 22.54
  5. Step 5: Solve for x
    x = 22.54/4.93
  6. Step 6: Final answer
    x = 4.57

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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.