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Finding the Fourth Proportional to 48.92, 73.38 and 14.69

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Solution

The fourth proportional to 48.92, 73.38 and 14.69 is: 22.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.92 : 73.38 = 14.69 : x
  2. Step 2: Convert to fraction form
    48.92/73.38 = 14.69/x
  3. Step 3: Cross multiply
    48.92x = 73.38 × 14.69
  4. Step 4: Simplify right side
    48.92x = 1,077.59
  5. Step 5: Solve for x
    x = 1,077.59/48.92
  6. Step 6: Final answer
    x = 22.03

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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.