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Finding the Fourth Proportional to 7.34, 10.14 and 6.26

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Solution

The fourth proportional to 7.34, 10.14 and 6.26 is: 8.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.34 : 10.14 = 6.26 : x
  2. Step 2: Convert to fraction form
    7.34/10.14 = 6.26/x
  3. Step 3: Cross multiply
    7.34x = 10.14 × 6.26
  4. Step 4: Simplify right side
    7.34x = 63.48
  5. Step 5: Solve for x
    x = 63.48/7.34
  6. Step 6: Final answer
    x = 8.65

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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.