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Finding the Fourth Proportional to 24.48, 36.56 and 21.44

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Solution

The fourth proportional to 24.48, 36.56 and 21.44 is: 32.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.48 : 36.56 = 21.44 : x
  2. Step 2: Convert to fraction form
    24.48/36.56 = 21.44/x
  3. Step 3: Cross multiply
    24.48x = 36.56 × 21.44
  4. Step 4: Simplify right side
    24.48x = 783.85
  5. Step 5: Solve for x
    x = 783.85/24.48
  6. Step 6: Final answer
    x = 32.02

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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.