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Finding the Fourth Proportional to 5,859.45, 8,790.80 and 2,350.80

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Solution

The fourth proportional to 5,859.45, 8,790.80 and 2,350.80 is: 3,526.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859.45 : 8,790.80 = 2,350.80 : x
  2. Step 2: Convert to fraction form
    5,859.45/8,790.80 = 2,350.80/x
  3. Step 3: Cross multiply
    5,859.45x = 8,790.80 × 2,350.80
  4. Step 4: Simplify right side
    5,859.45x = 20,665,400.89
  5. Step 5: Solve for x
    x = 20,665,400.89/5,859.45
  6. Step 6: Final answer
    x = 3,526.85

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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.