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Finding the Fourth Proportional to 15,180.10, 22,770.05 and 4,791.85

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Solution

The fourth proportional to 15,180.10, 22,770.05 and 4,791.85 is: 7,187.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180.10 : 22,770.05 = 4,791.85 : x
  2. Step 2: Convert to fraction form
    15,180.10/22,770.05 = 4,791.85/x
  3. Step 3: Cross multiply
    15,180.10x = 22,770.05 × 4,791.85
  4. Step 4: Simplify right side
    15,180.10x = 109,110,583.21
  5. Step 5: Solve for x
    x = 109,110,583.21/15,180.10
  6. Step 6: Final answer
    x = 7,187.74

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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.