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Finding the Fourth Proportional to 73.93, 110.82 and 46.84

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Solution

The fourth proportional to 73.93, 110.82 and 46.84 is: 70.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.93 : 110.82 = 46.84 : x
  2. Step 2: Convert to fraction form
    73.93/110.82 = 46.84/x
  3. Step 3: Cross multiply
    73.93x = 110.82 × 46.84
  4. Step 4: Simplify right side
    73.93x = 5,190.81
  5. Step 5: Solve for x
    x = 5,190.81/73.93
  6. Step 6: Final answer
    x = 70.21

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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.