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Finding the Fourth Proportional to 57,839.83, 79,820.03 and 35,179.77

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Solution

The fourth proportional to 57,839.83, 79,820.03 and 35,179.77 is: 48,548.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,839.83 : 79,820.03 = 35,179.77 : x
  2. Step 2: Convert to fraction form
    57,839.83/79,820.03 = 35,179.77/x
  3. Step 3: Cross multiply
    57,839.83x = 79,820.03 × 35,179.77
  4. Step 4: Simplify right side
    57,839.83x = 2,808,050,296.79
  5. Step 5: Solve for x
    x = 2,808,050,296.79/57,839.83
  6. Step 6: Final answer
    x = 48,548.73

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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.