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Finding the Fourth Proportional to 24.48, 36.72 and 7.37

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Solution

The fourth proportional to 24.48, 36.72 and 7.37 is: 11.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.48 : 36.72 = 7.37 : x
  2. Step 2: Convert to fraction form
    24.48/36.72 = 7.37/x
  3. Step 3: Cross multiply
    24.48x = 36.72 × 7.37
  4. Step 4: Simplify right side
    24.48x = 270.51
  5. Step 5: Solve for x
    x = 270.51/24.48
  6. Step 6: Final answer
    x = 11.05

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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.