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Finding the Fourth Proportional to 41,837, 62,750.90 and 12,255.12

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Solution

The fourth proportional to 41,837, 62,750.90 and 12,255.12 is: 18,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,837 : 62,750.90 = 12,255.12 : x
  2. Step 2: Convert to fraction form
    41,837/62,750.90 = 12,255.12/x
  3. Step 3: Cross multiply
    41,837x = 62,750.90 × 12,255.12
  4. Step 4: Simplify right side
    41,837x = 769,019,809.61
  5. Step 5: Solve for x
    x = 769,019,809.61/41,837
  6. Step 6: Final answer
    x = 18,381.33

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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.