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Finding the Fourth Proportional to 6.36, 9.54 and 5.46

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Solution

The fourth proportional to 6.36, 9.54 and 5.46 is: 8.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.36 : 9.54 = 5.46 : x
  2. Step 2: Convert to fraction form
    6.36/9.54 = 5.46/x
  3. Step 3: Cross multiply
    6.36x = 9.54 × 5.46
  4. Step 4: Simplify right side
    6.36x = 52.09
  5. Step 5: Solve for x
    x = 52.09/6.36
  6. Step 6: Final answer
    x = 8.19

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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.