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Finding the Fourth Proportional to 59.96, 82.71 and 35.38

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Solution

The fourth proportional to 59.96, 82.71 and 35.38 is: 48.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.96 : 82.71 = 35.38 : x
  2. Step 2: Convert to fraction form
    59.96/82.71 = 35.38/x
  3. Step 3: Cross multiply
    59.96x = 82.71 × 35.38
  4. Step 4: Simplify right side
    59.96x = 2,926.25
  5. Step 5: Solve for x
    x = 2,926.25/59.96
  6. Step 6: Final answer
    x = 48.80

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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.