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Finding the Fourth Proportional to 65,980.58, 98,971.07 and 16,060.68

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Solution

The fourth proportional to 65,980.58, 98,971.07 and 16,060.68 is: 24,091.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,980.58 : 98,971.07 = 16,060.68 : x
  2. Step 2: Convert to fraction form
    65,980.58/98,971.07 = 16,060.68/x
  3. Step 3: Cross multiply
    65,980.58x = 98,971.07 × 16,060.68
  4. Step 4: Simplify right side
    65,980.58x = 1,589,542,604.22
  5. Step 5: Solve for x
    x = 1,589,542,604.22/65,980.58
  6. Step 6: Final answer
    x = 24,091.07

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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.