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Finding the Fourth Proportional to 41,608.92, 62,374.02 and 13,887

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Solution

The fourth proportional to 41,608.92, 62,374.02 and 13,887 is: 20,817.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,608.92 : 62,374.02 = 13,887 : x
  2. Step 2: Convert to fraction form
    41,608.92/62,374.02 = 13,887/x
  3. Step 3: Cross multiply
    41,608.92x = 62,374.02 × 13,887
  4. Step 4: Simplify right side
    41,608.92x = 866,188,015.74
  5. Step 5: Solve for x
    x = 866,188,015.74/41,608.92
  6. Step 6: Final answer
    x = 20,817.36

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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.