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Finding the Fourth Proportional to 79.73, 110.04 and 46.53

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Solution

The fourth proportional to 79.73, 110.04 and 46.53 is: 64.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79.73 : 110.04 = 46.53 : x
  2. Step 2: Convert to fraction form
    79.73/110.04 = 46.53/x
  3. Step 3: Cross multiply
    79.73x = 110.04 × 46.53
  4. Step 4: Simplify right side
    79.73x = 5,120.16
  5. Step 5: Solve for x
    x = 5,120.16/79.73
  6. Step 6: Final answer
    x = 64.22

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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.