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Finding the Fourth Proportional to 8,137.48, 11,230.50 and 4,950.54

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Solution

The fourth proportional to 8,137.48, 11,230.50 and 4,950.54 is: 6,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.48 : 11,230.50 = 4,950.54 : x
  2. Step 2: Convert to fraction form
    8,137.48/11,230.50 = 4,950.54/x
  3. Step 3: Cross multiply
    8,137.48x = 11,230.50 × 4,950.54
  4. Step 4: Simplify right side
    8,137.48x = 55,597,039.47
  5. Step 5: Solve for x
    x = 55,597,039.47/8,137.48
  6. Step 6: Final answer
    x = 6,832.22

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.