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Finding the Fourth Proportional to 57,767.61, 79,676.66 and 36,526.38

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Solution

The fourth proportional to 57,767.61, 79,676.66 and 36,526.38 is: 50,379.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,767.61 : 79,676.66 = 36,526.38 : x
  2. Step 2: Convert to fraction form
    57,767.61/79,676.66 = 36,526.38/x
  3. Step 3: Cross multiply
    57,767.61x = 79,676.66 × 36,526.38
  4. Step 4: Simplify right side
    57,767.61x = 2,910,299,960.29
  5. Step 5: Solve for x
    x = 2,910,299,960.29/57,767.61
  6. Step 6: Final answer
    x = 50,379.44

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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.