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Finding the Fourth Proportional to 41,879.74, 62,828.88 and 13,798.66

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Solution

The fourth proportional to 41,879.74, 62,828.88 and 13,798.66 is: 20,701.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,879.74 : 62,828.88 = 13,798.66 : x
  2. Step 2: Convert to fraction form
    41,879.74/62,828.88 = 13,798.66/x
  3. Step 3: Cross multiply
    41,879.74x = 62,828.88 × 13,798.66
  4. Step 4: Simplify right side
    41,879.74x = 866,954,318.80
  5. Step 5: Solve for x
    x = 866,954,318.80/41,879.74
  6. Step 6: Final answer
    x = 20,701.04

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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.