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Finding the Fourth Proportional to 65,960.67, 98,954.88 and 21,583.98

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Solution

The fourth proportional to 65,960.67, 98,954.88 and 21,583.98 is: 32,380.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,960.67 : 98,954.88 = 21,583.98 : x
  2. Step 2: Convert to fraction form
    65,960.67/98,954.88 = 21,583.98/x
  3. Step 3: Cross multiply
    65,960.67x = 98,954.88 × 21,583.98
  4. Step 4: Simplify right side
    65,960.67x = 2,135,840,150.82
  5. Step 5: Solve for x
    x = 2,135,840,150.82/65,960.67
  6. Step 6: Final answer
    x = 32,380.51

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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.