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Finding the Fourth Proportional to 23,911.47, 35,867.21 and 9,879.44

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Solution

The fourth proportional to 23,911.47, 35,867.21 and 9,879.44 is: 14,819.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,911.47 : 35,867.21 = 9,879.44 : x
  2. Step 2: Convert to fraction form
    23,911.47/35,867.21 = 9,879.44/x
  3. Step 3: Cross multiply
    23,911.47x = 35,867.21 × 9,879.44
  4. Step 4: Simplify right side
    23,911.47x = 354,347,720.43
  5. Step 5: Solve for x
    x = 354,347,720.43/23,911.47
  6. Step 6: Final answer
    x = 14,819.15

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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.