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Finding the Fourth Proportional to 83.27, 114.90 and 46.43

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Solution

The fourth proportional to 83.27, 114.90 and 46.43 is: 64.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83.27 : 114.90 = 46.43 : x
  2. Step 2: Convert to fraction form
    83.27/114.90 = 46.43/x
  3. Step 3: Cross multiply
    83.27x = 114.90 × 46.43
  4. Step 4: Simplify right side
    83.27x = 5,334.23
  5. Step 5: Solve for x
    x = 5,334.23/83.27
  6. Step 6: Final answer
    x = 64.06

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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.