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Finding the Fourth Proportional to 43,714.80, 65,620.80 and 27,093.60

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Solution

The fourth proportional to 43,714.80, 65,620.80 and 27,093.60 is: 40,670.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,714.80 : 65,620.80 = 27,093.60 : x
  2. Step 2: Convert to fraction form
    43,714.80/65,620.80 = 27,093.60/x
  3. Step 3: Cross multiply
    43,714.80x = 65,620.80 × 27,093.60
  4. Step 4: Simplify right side
    43,714.80x = 1,777,903,706.88
  5. Step 5: Solve for x
    x = 1,777,903,706.88/43,714.80
  6. Step 6: Final answer
    x = 40,670.52

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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.