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Finding the Fourth Proportional to 65,957.67, 98,950.37 and 21,580.97

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Solution

The fourth proportional to 65,957.67, 98,950.37 and 21,580.97 is: 32,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,957.67 : 98,950.37 = 21,580.97 : x
  2. Step 2: Convert to fraction form
    65,957.67/98,950.37 = 21,580.97/x
  3. Step 3: Cross multiply
    65,957.67x = 98,950.37 × 21,580.97
  4. Step 4: Simplify right side
    65,957.67x = 2,135,444,363.80
  5. Step 5: Solve for x
    x = 2,135,444,363.80/65,957.67
  6. Step 6: Final answer
    x = 32,375.98

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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.