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Finding the Fourth Proportional to 19.49, 29.24 and 9.37

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Solution

The fourth proportional to 19.49, 29.24 and 9.37 is: 14.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19.49 : 29.24 = 9.37 : x
  2. Step 2: Convert to fraction form
    19.49/29.24 = 9.37/x
  3. Step 3: Cross multiply
    19.49x = 29.24 × 9.37
  4. Step 4: Simplify right side
    19.49x = 273.93
  5. Step 5: Solve for x
    x = 273.93/19.49
  6. Step 6: Final answer
    x = 14.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.