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Finding the Fourth Proportional to 59.93, 82.72 and 35.38

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Solution

The fourth proportional to 59.93, 82.72 and 35.38 is: 48.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.93 : 82.72 = 35.38 : x
  2. Step 2: Convert to fraction form
    59.93/82.72 = 35.38/x
  3. Step 3: Cross multiply
    59.93x = 82.72 × 35.38
  4. Step 4: Simplify right side
    59.93x = 2,926.63
  5. Step 5: Solve for x
    x = 2,926.63/59.93
  6. Step 6: Final answer
    x = 48.83

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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.