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Finding the Fourth Proportional to 8,950.87, 12,350.86 and 4,971.97

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Solution

The fourth proportional to 8,950.87, 12,350.86 and 4,971.97 is: 6,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.87 : 12,350.86 = 4,971.97 : x
  2. Step 2: Convert to fraction form
    8,950.87/12,350.86 = 4,971.97/x
  3. Step 3: Cross multiply
    8,950.87x = 12,350.86 × 4,971.97
  4. Step 4: Simplify right side
    8,950.87x = 61,408,105.39
  5. Step 5: Solve for x
    x = 61,408,105.39/8,950.87
  6. Step 6: Final answer
    x = 6,860.57

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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.