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Finding the Fourth Proportional to 83.01, 124.73 and 46.97

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Solution

The fourth proportional to 83.01, 124.73 and 46.97 is: 70.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83.01 : 124.73 = 46.97 : x
  2. Step 2: Convert to fraction form
    83.01/124.73 = 46.97/x
  3. Step 3: Cross multiply
    83.01x = 124.73 × 46.97
  4. Step 4: Simplify right side
    83.01x = 5,857.71
  5. Step 5: Solve for x
    x = 5,857.71/83.01
  6. Step 6: Final answer
    x = 70.57

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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.