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Finding the Fourth Proportional to 57,974.48, 87,356.62 and 47,675.20

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Solution

The fourth proportional to 57,974.48, 87,356.62 and 47,675.20 is: 71,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,974.48 : 87,356.62 = 47,675.20 : x
  2. Step 2: Convert to fraction form
    57,974.48/87,356.62 = 47,675.20/x
  3. Step 3: Cross multiply
    57,974.48x = 87,356.62 × 47,675.20
  4. Step 4: Simplify right side
    57,974.48x = 4,164,743,992.24
  5. Step 5: Solve for x
    x = 4,164,743,992.24/57,974.48
  6. Step 6: Final answer
    x = 71,837.54

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.