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Finding the Fourth Proportional to 57,802.78, 86,704.17 and 16,249.78

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Solution

The fourth proportional to 57,802.78, 86,704.17 and 16,249.78 is: 24,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,802.78 : 86,704.17 = 16,249.78 : x
  2. Step 2: Convert to fraction form
    57,802.78/86,704.17 = 16,249.78/x
  3. Step 3: Cross multiply
    57,802.78x = 86,704.17 × 16,249.78
  4. Step 4: Simplify right side
    57,802.78x = 1,408,923,687.58
  5. Step 5: Solve for x
    x = 1,408,923,687.58/57,802.78
  6. Step 6: Final answer
    x = 24,374.67

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1.5x scale

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.