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Finding the Fourth Proportional to 41,878.39, 62,766.48 and 19,662.11

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Solution

The fourth proportional to 41,878.39, 62,766.48 and 19,662.11 is: 29,469.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,878.39 : 62,766.48 = 19,662.11 : x
  2. Step 2: Convert to fraction form
    41,878.39/62,766.48 = 19,662.11/x
  3. Step 3: Cross multiply
    41,878.39x = 62,766.48 × 19,662.11
  4. Step 4: Simplify right side
    41,878.39x = 1,234,121,434.07
  5. Step 5: Solve for x
    x = 1,234,121,434.07/41,878.39
  6. Step 6: Final answer
    x = 29,469.17

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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.