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Finding the Fourth Proportional to 44,408.89, 66,568.43 and 19,124.89

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Solution

The fourth proportional to 44,408.89, 66,568.43 and 19,124.89 is: 28,667.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,408.89 : 66,568.43 = 19,124.89 : x
  2. Step 2: Convert to fraction form
    44,408.89/66,568.43 = 19,124.89/x
  3. Step 3: Cross multiply
    44,408.89x = 66,568.43 × 19,124.89
  4. Step 4: Simplify right side
    44,408.89x = 1,273,113,782.61
  5. Step 5: Solve for x
    x = 1,273,113,782.61/44,408.89
  6. Step 6: Final answer
    x = 28,667.99

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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.