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Finding the Fourth Proportional to 34,507.15, 51,723.82 and 15,759.09

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Solution

The fourth proportional to 34,507.15, 51,723.82 and 15,759.09 is: 23,621.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,507.15 : 51,723.82 = 15,759.09 : x
  2. Step 2: Convert to fraction form
    34,507.15/51,723.82 = 15,759.09/x
  3. Step 3: Cross multiply
    34,507.15x = 51,723.82 × 15,759.09
  4. Step 4: Simplify right side
    34,507.15x = 815,120,255.73
  5. Step 5: Solve for x
    x = 815,120,255.73/34,507.15
  6. Step 6: Final answer
    x = 23,621.78

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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.