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Finding the Fourth Proportional to 69.32, 103.44 and 62.00

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Solution

The fourth proportional to 69.32, 103.44 and 62.00 is: 92.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69.32 : 103.44 = 62.00 : x
  2. Step 2: Convert to fraction form
    69.32/103.44 = 62.00/x
  3. Step 3: Cross multiply
    69.32x = 103.44 × 62.00
  4. Step 4: Simplify right side
    69.32x = 6,413.38
  5. Step 5: Solve for x
    x = 6,413.38/69.32
  6. Step 6: Final answer
    x = 92.52

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.