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Finding the Fourth Proportional to 38,104.88, 57,158.42 and 10,402.88

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Solution

The fourth proportional to 38,104.88, 57,158.42 and 10,402.88 is: 15,604.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,104.88 : 57,158.42 = 10,402.88 : x
  2. Step 2: Convert to fraction form
    38,104.88/57,158.42 = 10,402.88/x
  3. Step 3: Cross multiply
    38,104.88x = 57,158.42 × 10,402.88
  4. Step 4: Simplify right side
    38,104.88x = 594,611,846.44
  5. Step 5: Solve for x
    x = 594,611,846.44/38,104.88
  6. Step 6: Final answer
    x = 15,604.61

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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.