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Finding the Fourth Proportional to 65,920.52, 98,879.94 and 16,001

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Solution

The fourth proportional to 65,920.52, 98,879.94 and 16,001 is: 24,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,920.52 : 98,879.94 = 16,001 : x
  2. Step 2: Convert to fraction form
    65,920.52/98,879.94 = 16,001/x
  3. Step 3: Cross multiply
    65,920.52x = 98,879.94 × 16,001
  4. Step 4: Simplify right side
    65,920.52x = 1,582,177,919.94
  5. Step 5: Solve for x
    x = 1,582,177,919.94/65,920.52
  6. Step 6: Final answer
    x = 24,001.30

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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.