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Finding the Fourth Proportional to 6.34, 9.53 and 5.46

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Solution

The fourth proportional to 6.34, 9.53 and 5.46 is: 8.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.34 : 9.53 = 5.46 : x
  2. Step 2: Convert to fraction form
    6.34/9.53 = 5.46/x
  3. Step 3: Cross multiply
    6.34x = 9.53 × 5.46
  4. Step 4: Simplify right side
    6.34x = 52.03
  5. Step 5: Solve for x
    x = 52.03/6.34
  6. Step 6: Final answer
    x = 8.21

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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.