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Finding the Fourth Proportional to 10,205.96, 14,083.83 and 5,729.94

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Solution

The fourth proportional to 10,205.96, 14,083.83 and 5,729.94 is: 7,907.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,205.96 : 14,083.83 = 5,729.94 : x
  2. Step 2: Convert to fraction form
    10,205.96/14,083.83 = 5,729.94/x
  3. Step 3: Cross multiply
    10,205.96x = 14,083.83 × 5,729.94
  4. Step 4: Simplify right side
    10,205.96x = 80,699,500.87
  5. Step 5: Solve for x
    x = 80,699,500.87/10,205.96
  6. Step 6: Final answer
    x = 7,907.10

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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.