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Finding the Fourth Proportional to 57,800.44, 86,700.66 and 16,247.44

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Solution

The fourth proportional to 57,800.44, 86,700.66 and 16,247.44 is: 24,371.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,800.44 : 86,700.66 = 16,247.44 : x
  2. Step 2: Convert to fraction form
    57,800.44/86,700.66 = 16,247.44/x
  3. Step 3: Cross multiply
    57,800.44x = 86,700.66 × 16,247.44
  4. Step 4: Simplify right side
    57,800.44x = 1,408,663,771.31
  5. Step 5: Solve for x
    x = 1,408,663,771.31/57,800.44
  6. Step 6: Final answer
    x = 24,371.16

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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.