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Finding the Fourth Proportional to 41,398.80, 62,104.40 and 19,214.44

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Solution

The fourth proportional to 41,398.80, 62,104.40 and 19,214.44 is: 28,824.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,398.80 : 62,104.40 = 19,214.44 : x
  2. Step 2: Convert to fraction form
    41,398.80/62,104.40 = 19,214.44/x
  3. Step 3: Cross multiply
    41,398.80x = 62,104.40 × 19,214.44
  4. Step 4: Simplify right side
    41,398.80x = 1,193,301,267.54
  5. Step 5: Solve for x
    x = 1,193,301,267.54/41,398.80
  6. Step 6: Final answer
    x = 28,824.54

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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.