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Finding the Fourth Proportional to 36,161.90, 54,237.85 and 11,219.10

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Solution

The fourth proportional to 36,161.90, 54,237.85 and 11,219.10 is: 16,827.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,161.90 : 54,237.85 = 11,219.10 : x
  2. Step 2: Convert to fraction form
    36,161.90/54,237.85 = 11,219.10/x
  3. Step 3: Cross multiply
    36,161.90x = 54,237.85 × 11,219.10
  4. Step 4: Simplify right side
    36,161.90x = 608,499,862.94
  5. Step 5: Solve for x
    x = 608,499,862.94/36,161.90
  6. Step 6: Final answer
    x = 16,827.10

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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.