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Finding the Fourth Proportional to 57,800.53, 86,700.80 and 16,247.53

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Solution

The fourth proportional to 57,800.53, 86,700.80 and 16,247.53 is: 24,371.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,800.53 : 86,700.80 = 16,247.53 : x
  2. Step 2: Convert to fraction form
    57,800.53/86,700.80 = 16,247.53/x
  3. Step 3: Cross multiply
    57,800.53x = 86,700.80 × 16,247.53
  4. Step 4: Simplify right side
    57,800.53x = 1,408,673,767.79
  5. Step 5: Solve for x
    x = 1,408,673,767.79/57,800.53
  6. Step 6: Final answer
    x = 24,371.30

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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.