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Finding the Fourth Proportional to 65,372.74, 98,059.11 and 18,625.75

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Solution

The fourth proportional to 65,372.74, 98,059.11 and 18,625.75 is: 27,938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,372.74 : 98,059.11 = 18,625.75 : x
  2. Step 2: Convert to fraction form
    65,372.74/98,059.11 = 18,625.75/x
  3. Step 3: Cross multiply
    65,372.74x = 98,059.11 × 18,625.75
  4. Step 4: Simplify right side
    65,372.74x = 1,826,424,468.08
  5. Step 5: Solve for x
    x = 1,826,424,468.08/65,372.74
  6. Step 6: Final answer
    x = 27,938.63

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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.