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Finding the Fourth Proportional to 41,755.90, 62,642.71 and 13,673.88

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Solution

The fourth proportional to 41,755.90, 62,642.71 and 13,673.88 is: 20,513.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,755.90 : 62,642.71 = 13,673.88 : x
  2. Step 2: Convert to fraction form
    41,755.90/62,642.71 = 13,673.88/x
  3. Step 3: Cross multiply
    41,755.90x = 62,642.71 × 13,673.88
  4. Step 4: Simplify right side
    41,755.90x = 856,568,935.74
  5. Step 5: Solve for x
    x = 856,568,935.74/41,755.90
  6. Step 6: Final answer
    x = 20,513.72

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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.