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Finding the Fourth Proportional to 10.46, 14.34 and 9.56

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Solution

The fourth proportional to 10.46, 14.34 and 9.56 is: 13.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10.46 : 14.34 = 9.56 : x
  2. Step 2: Convert to fraction form
    10.46/14.34 = 9.56/x
  3. Step 3: Cross multiply
    10.46x = 14.34 × 9.56
  4. Step 4: Simplify right side
    10.46x = 137.02
  5. Step 5: Solve for x
    x = 137.02/10.46
  6. Step 6: Final answer
    x = 13.11

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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.