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Finding the Fourth Proportional to 57,800.69, 86,701.03 and 16,247.69

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Solution

The fourth proportional to 57,800.69, 86,701.03 and 16,247.69 is: 24,371.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,800.69 : 86,701.03 = 16,247.69 : x
  2. Step 2: Convert to fraction form
    57,800.69/86,701.03 = 16,247.69/x
  3. Step 3: Cross multiply
    57,800.69x = 86,701.03 × 16,247.69
  4. Step 4: Simplify right side
    57,800.69x = 1,408,691,458.12
  5. Step 5: Solve for x
    x = 1,408,691,458.12/57,800.69
  6. Step 6: Final answer
    x = 24,371.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.