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Finding the Fourth Proportional to 41,100.20, 61,653.03 and 11,519.20

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Solution

The fourth proportional to 41,100.20, 61,653.03 and 11,519.20 is: 17,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,100.20 : 61,653.03 = 11,519.20 : x
  2. Step 2: Convert to fraction form
    41,100.20/61,653.03 = 11,519.20/x
  3. Step 3: Cross multiply
    41,100.20x = 61,653.03 × 11,519.20
  4. Step 4: Simplify right side
    41,100.20x = 710,193,583.18
  5. Step 5: Solve for x
    x = 710,193,583.18/41,100.20
  6. Step 6: Final answer
    x = 17,279.57

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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.