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Finding the Fourth Proportional to 48.46, 72.71 and 24.41

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Solution

The fourth proportional to 48.46, 72.71 and 24.41 is: 36.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.46 : 72.71 = 24.41 : x
  2. Step 2: Convert to fraction form
    48.46/72.71 = 24.41/x
  3. Step 3: Cross multiply
    48.46x = 72.71 × 24.41
  4. Step 4: Simplify right side
    48.46x = 1,774.37
  5. Step 5: Solve for x
    x = 1,774.37/48.46
  6. Step 6: Final answer
    x = 36.62

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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.