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Finding the Fourth Proportional to 41,406.66, 62,112.06 and 11,828.88

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Solution

The fourth proportional to 41,406.66, 62,112.06 and 11,828.88 is: 17,743.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,406.66 : 62,112.06 = 11,828.88 : x
  2. Step 2: Convert to fraction form
    41,406.66/62,112.06 = 11,828.88/x
  3. Step 3: Cross multiply
    41,406.66x = 62,112.06 × 11,828.88
  4. Step 4: Simplify right side
    41,406.66x = 734,716,104.29
  5. Step 5: Solve for x
    x = 734,716,104.29/41,406.66
  6. Step 6: Final answer
    x = 17,743.91

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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.