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Finding the Fourth Proportional to 38,609.44, 57,850.56 and 35,381.44

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Solution

The fourth proportional to 38,609.44, 57,850.56 and 35,381.44 is: 53,013.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,609.44 : 57,850.56 = 35,381.44 : x
  2. Step 2: Convert to fraction form
    38,609.44/57,850.56 = 35,381.44/x
  3. Step 3: Cross multiply
    38,609.44x = 57,850.56 × 35,381.44
  4. Step 4: Simplify right side
    38,609.44x = 2,046,836,117.61
  5. Step 5: Solve for x
    x = 2,046,836,117.61/38,609.44
  6. Step 6: Final answer
    x = 53,013.88

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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.