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Finding the Fourth Proportional to 66,544.85, 99,734.19 and 33,274.44

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Solution

The fourth proportional to 66,544.85, 99,734.19 and 33,274.44 is: 49,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,544.85 : 99,734.19 = 33,274.44 : x
  2. Step 2: Convert to fraction form
    66,544.85/99,734.19 = 33,274.44/x
  3. Step 3: Cross multiply
    66,544.85x = 99,734.19 × 33,274.44
  4. Step 4: Simplify right side
    66,544.85x = 3,318,599,321.10
  5. Step 5: Solve for x
    x = 3,318,599,321.10/66,544.85
  6. Step 6: Final answer
    x = 49,870.12

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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.