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Finding the Fourth Proportional to 38,344.70, 57,505.70 and 17,272.56

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Solution

The fourth proportional to 38,344.70, 57,505.70 and 17,272.56 is: 25,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,344.70 : 57,505.70 = 17,272.56 : x
  2. Step 2: Convert to fraction form
    38,344.70/57,505.70 = 17,272.56/x
  3. Step 3: Cross multiply
    38,344.70x = 57,505.70 × 17,272.56
  4. Step 4: Simplify right side
    38,344.70x = 993,270,653.59
  5. Step 5: Solve for x
    x = 993,270,653.59/38,344.70
  6. Step 6: Final answer
    x = 25,903.73

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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.