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Finding the Fourth Proportional to 40,504.92, 55,894.13 and 25,396.94

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Solution

The fourth proportional to 40,504.92, 55,894.13 and 25,396.94 is: 35,046.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,504.92 : 55,894.13 = 25,396.94 : x
  2. Step 2: Convert to fraction form
    40,504.92/55,894.13 = 25,396.94/x
  3. Step 3: Cross multiply
    40,504.92x = 55,894.13 × 25,396.94
  4. Step 4: Simplify right side
    40,504.92x = 1,419,539,865.96
  5. Step 5: Solve for x
    x = 1,419,539,865.96/40,504.92
  6. Step 6: Final answer
    x = 35,046.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.