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Finding the Fourth Proportional to 48.32, 72.44 and 24.22

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Solution

The fourth proportional to 48.32, 72.44 and 24.22 is: 36.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.32 : 72.44 = 24.22 : x
  2. Step 2: Convert to fraction form
    48.32/72.44 = 24.22/x
  3. Step 3: Cross multiply
    48.32x = 72.44 × 24.22
  4. Step 4: Simplify right side
    48.32x = 1,754.19
  5. Step 5: Solve for x
    x = 1,754.19/48.32
  6. Step 6: Final answer
    x = 36.31

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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.