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Finding the Fourth Proportional to 65,980.89, 98,969.94 and 16,061.27

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Solution

The fourth proportional to 65,980.89, 98,969.94 and 16,061.27 is: 24,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,980.89 : 98,969.94 = 16,061.27 : x
  2. Step 2: Convert to fraction form
    65,980.89/98,969.94 = 16,061.27/x
  3. Step 3: Cross multiply
    65,980.89x = 98,969.94 × 16,061.27
  4. Step 4: Simplify right side
    65,980.89x = 1,589,582,433.37
  5. Step 5: Solve for x
    x = 1,589,582,433.37/65,980.89
  6. Step 6: Final answer
    x = 24,091.56

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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.