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Finding the Fourth Proportional to 43,753.80, 65,644.32 and 15,674.10

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Solution

The fourth proportional to 43,753.80, 65,644.32 and 15,674.10 is: 23,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,753.80 : 65,644.32 = 15,674.10 : x
  2. Step 2: Convert to fraction form
    43,753.80/65,644.32 = 15,674.10/x
  3. Step 3: Cross multiply
    43,753.80x = 65,644.32 × 15,674.10
  4. Step 4: Simplify right side
    43,753.80x = 1,028,915,694.89
  5. Step 5: Solve for x
    x = 1,028,915,694.89/43,753.80
  6. Step 6: Final answer
    x = 23,516.03

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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.