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Finding the Fourth Proportional to 57,847.20, 86,770.80 and 16,288.80

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Solution

The fourth proportional to 57,847.20, 86,770.80 and 16,288.80 is: 24,433.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,847.20 : 86,770.80 = 16,288.80 : x
  2. Step 2: Convert to fraction form
    57,847.20/86,770.80 = 16,288.80/x
  3. Step 3: Cross multiply
    57,847.20x = 86,770.80 × 16,288.80
  4. Step 4: Simplify right side
    57,847.20x = 1,413,392,207.04
  5. Step 5: Solve for x
    x = 1,413,392,207.04/57,847.20
  6. Step 6: Final answer
    x = 24,433.20

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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.