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Finding the Fourth Proportional to 15,270.68, 22,914.60 and 8,250.56

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Solution

The fourth proportional to 15,270.68, 22,914.60 and 8,250.56 is: 12,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270.68 : 22,914.60 = 8,250.56 : x
  2. Step 2: Convert to fraction form
    15,270.68/22,914.60 = 8,250.56/x
  3. Step 3: Cross multiply
    15,270.68x = 22,914.60 × 8,250.56
  4. Step 4: Simplify right side
    15,270.68x = 189,058,282.18
  5. Step 5: Solve for x
    x = 189,058,282.18/15,270.68
  6. Step 6: Final answer
    x = 12,380.48

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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.