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Finding the Fourth Proportional to 48.92, 73.32 and 29.67

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Solution

The fourth proportional to 48.92, 73.32 and 29.67 is: 44.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.92 : 73.32 = 29.67 : x
  2. Step 2: Convert to fraction form
    48.92/73.32 = 29.67/x
  3. Step 3: Cross multiply
    48.92x = 73.32 × 29.67
  4. Step 4: Simplify right side
    48.92x = 2,175.40
  5. Step 5: Solve for x
    x = 2,175.40/48.92
  6. Step 6: Final answer
    x = 44.47

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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.