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Finding the Fourth Proportional to 9.56, 13.26 and 9.32

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Solution

The fourth proportional to 9.56, 13.26 and 9.32 is: 12.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.56 : 13.26 = 9.32 : x
  2. Step 2: Convert to fraction form
    9.56/13.26 = 9.32/x
  3. Step 3: Cross multiply
    9.56x = 13.26 × 9.32
  4. Step 4: Simplify right side
    9.56x = 123.52
  5. Step 5: Solve for x
    x = 123.52/9.56
  6. Step 6: Final answer
    x = 12.93

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.