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Finding the Fourth Proportional to 82.69, 123.94 and 37.01

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Solution

The fourth proportional to 82.69, 123.94 and 37.01 is: 55.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    82.69 : 123.94 = 37.01 : x
  2. Step 2: Convert to fraction form
    82.69/123.94 = 37.01/x
  3. Step 3: Cross multiply
    82.69x = 123.94 × 37.01
  4. Step 4: Simplify right side
    82.69x = 4,586.57
  5. Step 5: Solve for x
    x = 4,586.57/82.69
  6. Step 6: Final answer
    x = 55.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.