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Finding the Fourth Proportional to 65,879.26, 98,819.10 and 15,959.26

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Solution

The fourth proportional to 65,879.26, 98,819.10 and 15,959.26 is: 23,938.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,879.26 : 98,819.10 = 15,959.26 : x
  2. Step 2: Convert to fraction form
    65,879.26/98,819.10 = 15,959.26/x
  3. Step 3: Cross multiply
    65,879.26x = 98,819.10 × 15,959.26
  4. Step 4: Simplify right side
    65,879.26x = 1,577,079,709.87
  5. Step 5: Solve for x
    x = 1,577,079,709.87/65,879.26
  6. Step 6: Final answer
    x = 23,938.94

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1.5x scale

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.