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Finding the Fourth Proportional to 57,475.49, 86,213.26 and 15,922.49

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Solution

The fourth proportional to 57,475.49, 86,213.26 and 15,922.49 is: 23,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,475.49 : 86,213.26 = 15,922.49 : x
  2. Step 2: Convert to fraction form
    57,475.49/86,213.26 = 15,922.49/x
  3. Step 3: Cross multiply
    57,475.49x = 86,213.26 × 15,922.49
  4. Step 4: Simplify right side
    57,475.49x = 1,372,729,359.05
  5. Step 5: Solve for x
    x = 1,372,729,359.05/57,475.49
  6. Step 6: Final answer
    x = 23,883.74

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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.