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Finding the Fourth Proportional to 48,557.50, 72,836.30 and 27,766.42

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Solution

The fourth proportional to 48,557.50, 72,836.30 and 27,766.42 is: 41,649.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,557.50 : 72,836.30 = 27,766.42 : x
  2. Step 2: Convert to fraction form
    48,557.50/72,836.30 = 27,766.42/x
  3. Step 3: Cross multiply
    48,557.50x = 72,836.30 × 27,766.42
  4. Step 4: Simplify right side
    48,557.50x = 2,022,403,297.05
  5. Step 5: Solve for x
    x = 2,022,403,297.05/48,557.50
  6. Step 6: Final answer
    x = 41,649.66

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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.