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Finding the Fourth Proportional to 5,755.92, 8,635.14 and 1,860.27

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Solution

The fourth proportional to 5,755.92, 8,635.14 and 1,860.27 is: 2,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,755.92 : 8,635.14 = 1,860.27 : x
  2. Step 2: Convert to fraction form
    5,755.92/8,635.14 = 1,860.27/x
  3. Step 3: Cross multiply
    5,755.92x = 8,635.14 × 1,860.27
  4. Step 4: Simplify right side
    5,755.92x = 16,063,691.89
  5. Step 5: Solve for x
    x = 16,063,691.89/5,755.92
  6. Step 6: Final answer
    x = 2,790.81

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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.