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Finding the Fourth Proportional to 38,536.73, 57,809.73 and 13,571.62

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Solution

The fourth proportional to 38,536.73, 57,809.73 and 13,571.62 is: 20,359.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,536.73 : 57,809.73 = 13,571.62 : x
  2. Step 2: Convert to fraction form
    38,536.73/57,809.73 = 13,571.62/x
  3. Step 3: Cross multiply
    38,536.73x = 57,809.73 × 13,571.62
  4. Step 4: Simplify right side
    38,536.73x = 784,571,687.86
  5. Step 5: Solve for x
    x = 784,571,687.86/38,536.73
  6. Step 6: Final answer
    x = 20,359.06

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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.