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Finding the Fourth Proportional to 57,644.80, 86,467.20 and 16,091.80

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Solution

The fourth proportional to 57,644.80, 86,467.20 and 16,091.80 is: 24,137.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,644.80 : 86,467.20 = 16,091.80 : x
  2. Step 2: Convert to fraction form
    57,644.80/86,467.20 = 16,091.80/x
  3. Step 3: Cross multiply
    57,644.80x = 86,467.20 × 16,091.80
  4. Step 4: Simplify right side
    57,644.80x = 1,391,412,888.96
  5. Step 5: Solve for x
    x = 1,391,412,888.96/57,644.80
  6. Step 6: Final answer
    x = 24,137.70

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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.