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Finding the Fourth Proportional to 45,671.76, 68,493.60 and 17,589.60

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Solution

The fourth proportional to 45,671.76, 68,493.60 and 17,589.60 is: 26,378.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,671.76 : 68,493.60 = 17,589.60 : x
  2. Step 2: Convert to fraction form
    45,671.76/68,493.60 = 17,589.60/x
  3. Step 3: Cross multiply
    45,671.76x = 68,493.60 × 17,589.60
  4. Step 4: Simplify right side
    45,671.76x = 1,204,775,026.56
  5. Step 5: Solve for x
    x = 1,204,775,026.56/45,671.76
  6. Step 6: Final answer
    x = 26,378.99

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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.