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Finding the Fourth Proportional to 44,759.70, 67,129.10 and 19,786.14

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Solution

The fourth proportional to 44,759.70, 67,129.10 and 19,786.14 is: 29,674.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,759.70 : 67,129.10 = 19,786.14 : x
  2. Step 2: Convert to fraction form
    44,759.70/67,129.10 = 19,786.14/x
  3. Step 3: Cross multiply
    44,759.70x = 67,129.10 × 19,786.14
  4. Step 4: Simplify right side
    44,759.70x = 1,328,225,770.67
  5. Step 5: Solve for x
    x = 1,328,225,770.67/44,759.70
  6. Step 6: Final answer
    x = 29,674.59

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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.