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Finding the Fourth Proportional to 9.63, 14.38 and 9.32

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Solution

The fourth proportional to 9.63, 14.38 and 9.32 is: 13.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.63 : 14.38 = 9.32 : x
  2. Step 2: Convert to fraction form
    9.63/14.38 = 9.32/x
  3. Step 3: Cross multiply
    9.63x = 14.38 × 9.32
  4. Step 4: Simplify right side
    9.63x = 133.93
  5. Step 5: Solve for x
    x = 133.93/9.63
  6. Step 6: Final answer
    x = 13.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.