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Finding the Fourth Proportional to 70.84, 97.83 and 46.27

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Solution

The fourth proportional to 70.84, 97.83 and 46.27 is: 63.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    70.84 : 97.83 = 46.27 : x
  2. Step 2: Convert to fraction form
    70.84/97.83 = 46.27/x
  3. Step 3: Cross multiply
    70.84x = 97.83 × 46.27
  4. Step 4: Simplify right side
    70.84x = 4,525.87
  5. Step 5: Solve for x
    x = 4,525.87/70.84
  6. Step 6: Final answer
    x = 63.89

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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.