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Finding the Fourth Proportional to 57,767.74, 79,676.83 and 36,526.50

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Solution

The fourth proportional to 57,767.74, 79,676.83 and 36,526.50 is: 50,379.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,767.74 : 79,676.83 = 36,526.50 : x
  2. Step 2: Convert to fraction form
    57,767.74/79,676.83 = 36,526.50/x
  3. Step 3: Cross multiply
    57,767.74x = 79,676.83 × 36,526.50
  4. Step 4: Simplify right side
    57,767.74x = 2,910,315,776.65
  5. Step 5: Solve for x
    x = 2,910,315,776.65/57,767.74
  6. Step 6: Final answer
    x = 50,379.60

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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.