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Finding the Fourth Proportional to 44,809.16, 67,172.18 and 19,835.88

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Solution

The fourth proportional to 44,809.16, 67,172.18 and 19,835.88 is: 29,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,809.16 : 67,172.18 = 19,835.88 : x
  2. Step 2: Convert to fraction form
    44,809.16/67,172.18 = 19,835.88/x
  3. Step 3: Cross multiply
    44,809.16x = 67,172.18 × 19,835.88
  4. Step 4: Simplify right side
    44,809.16x = 1,332,419,202.64
  5. Step 5: Solve for x
    x = 1,332,419,202.64/44,809.16
  6. Step 6: Final answer
    x = 29,735.42

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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.