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Finding the Fourth Proportional to 41,891.84, 62,817.95 and 15,219.22

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Solution

The fourth proportional to 41,891.84, 62,817.95 and 15,219.22 is: 22,821.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,891.84 : 62,817.95 = 15,219.22 : x
  2. Step 2: Convert to fraction form
    41,891.84/62,817.95 = 15,219.22/x
  3. Step 3: Cross multiply
    41,891.84x = 62,817.95 × 15,219.22
  4. Step 4: Simplify right side
    41,891.84x = 956,040,531.95
  5. Step 5: Solve for x
    x = 956,040,531.95/41,891.84
  6. Step 6: Final answer
    x = 22,821.64

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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.