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Finding the Fourth Proportional to 45,906.80, 68,773.80 and 23,644.40

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Solution

The fourth proportional to 45,906.80, 68,773.80 and 23,644.40 is: 35,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,906.80 : 68,773.80 = 23,644.40 : x
  2. Step 2: Convert to fraction form
    45,906.80/68,773.80 = 23,644.40/x
  3. Step 3: Cross multiply
    45,906.80x = 68,773.80 × 23,644.40
  4. Step 4: Simplify right side
    45,906.80x = 1,626,115,236.72
  5. Step 5: Solve for x
    x = 1,626,115,236.72/45,906.80
  6. Step 6: Final answer
    x = 35,422.10

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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.