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Finding the Fourth Proportional to 57,800.25, 86,700.39 and 16,247.25

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Solution

The fourth proportional to 57,800.25, 86,700.39 and 16,247.25 is: 24,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,800.25 : 86,700.39 = 16,247.25 : x
  2. Step 2: Convert to fraction form
    57,800.25/86,700.39 = 16,247.25/x
  3. Step 3: Cross multiply
    57,800.25x = 86,700.39 × 16,247.25
  4. Step 4: Simplify right side
    57,800.25x = 1,408,642,911.43
  5. Step 5: Solve for x
    x = 1,408,642,911.43/57,800.25
  6. Step 6: Final answer
    x = 24,370.88

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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.