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Finding the Fourth Proportional to 36,701.20, 55,063.95 and 11,745.10

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Solution

The fourth proportional to 36,701.20, 55,063.95 and 11,745.10 is: 17,621.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,701.20 : 55,063.95 = 11,745.10 : x
  2. Step 2: Convert to fraction form
    36,701.20/55,063.95 = 11,745.10/x
  3. Step 3: Cross multiply
    36,701.20x = 55,063.95 × 11,745.10
  4. Step 4: Simplify right side
    36,701.20x = 646,731,599.15
  5. Step 5: Solve for x
    x = 646,731,599.15/36,701.20
  6. Step 6: Final answer
    x = 17,621.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.