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Finding the Fourth Proportional to 79.73, 110.03 and 46.98

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Solution

The fourth proportional to 79.73, 110.03 and 46.98 is: 64.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79.73 : 110.03 = 46.98 : x
  2. Step 2: Convert to fraction form
    79.73/110.03 = 46.98/x
  3. Step 3: Cross multiply
    79.73x = 110.03 × 46.98
  4. Step 4: Simplify right side
    79.73x = 5,169.21
  5. Step 5: Solve for x
    x = 5,169.21/79.73
  6. Step 6: Final answer
    x = 64.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.