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Finding the Fourth Proportional to 57,767.80, 79,676.88 and 36,526.60

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Solution

The fourth proportional to 57,767.80, 79,676.88 and 36,526.60 is: 50,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,767.80 : 79,676.88 = 36,526.60 : x
  2. Step 2: Convert to fraction form
    57,767.80/79,676.88 = 36,526.60/x
  3. Step 3: Cross multiply
    57,767.80x = 79,676.88 × 36,526.60
  4. Step 4: Simplify right side
    57,767.80x = 2,910,325,525.01
  5. Step 5: Solve for x
    x = 2,910,325,525.01/57,767.80
  6. Step 6: Final answer
    x = 50,379.72

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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.