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Finding the Fourth Proportional to 34,161.40, 51,237.78 and 10,790.20

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Solution

The fourth proportional to 34,161.40, 51,237.78 and 10,790.20 is: 16,183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,161.40 : 51,237.78 = 10,790.20 : x
  2. Step 2: Convert to fraction form
    34,161.40/51,237.78 = 10,790.20/x
  3. Step 3: Cross multiply
    34,161.40x = 51,237.78 × 10,790.20
  4. Step 4: Simplify right side
    34,161.40x = 552,865,893.76
  5. Step 5: Solve for x
    x = 552,865,893.76/34,161.40
  6. Step 6: Final answer
    x = 16,183.94

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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.