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Finding the Fourth Proportional to 12,273.75, 18,410.63 and 4,482.56

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Solution

The fourth proportional to 12,273.75, 18,410.63 and 4,482.56 is: 6,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,273.75 : 18,410.63 = 4,482.56 : x
  2. Step 2: Convert to fraction form
    12,273.75/18,410.63 = 4,482.56/x
  3. Step 3: Cross multiply
    12,273.75x = 18,410.63 × 4,482.56
  4. Step 4: Simplify right side
    12,273.75x = 82,526,777.23
  5. Step 5: Solve for x
    x = 82,526,777.23/12,273.75
  6. Step 6: Final answer
    x = 6,723.84

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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.