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Finding the Fourth Proportional to 9.63, 14.37 and 7.37

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Solution

The fourth proportional to 9.63, 14.37 and 7.37 is: 10.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9.63 : 14.37 = 7.37 : x
  2. Step 2: Convert to fraction form
    9.63/14.37 = 7.37/x
  3. Step 3: Cross multiply
    9.63x = 14.37 × 7.37
  4. Step 4: Simplify right side
    9.63x = 105.84
  5. Step 5: Solve for x
    x = 105.84/9.63
  6. Step 6: Final answer
    x = 10.99

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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.