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Finding the Fourth Proportional to 41,666.88, 57,467.76 and 36,891.90

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Solution

The fourth proportional to 41,666.88, 57,467.76 and 36,891.90 is: 50,882.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,666.88 : 57,467.76 = 36,891.90 : x
  2. Step 2: Convert to fraction form
    41,666.88/57,467.76 = 36,891.90/x
  3. Step 3: Cross multiply
    41,666.88x = 57,467.76 × 36,891.90
  4. Step 4: Simplify right side
    41,666.88x = 2,120,094,855.14
  5. Step 5: Solve for x
    x = 2,120,094,855.14/41,666.88
  6. Step 6: Final answer
    x = 50,882.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.