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Finding the Fourth Proportional to 23,403.96, 35,107.56 and 7,819.56

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Solution

The fourth proportional to 23,403.96, 35,107.56 and 7,819.56 is: 11,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,403.96 : 35,107.56 = 7,819.56 : x
  2. Step 2: Convert to fraction form
    23,403.96/35,107.56 = 7,819.56/x
  3. Step 3: Cross multiply
    23,403.96x = 35,107.56 × 7,819.56
  4. Step 4: Simplify right side
    23,403.96x = 274,525,671.87
  5. Step 5: Solve for x
    x = 274,525,671.87/23,403.96
  6. Step 6: Final answer
    x = 11,729.88

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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.