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Finding the Fourth Proportional to 5,862.40, 8,793.10 and 2,163.92

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Solution

The fourth proportional to 5,862.40, 8,793.10 and 2,163.92 is: 3,245.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,862.40 : 8,793.10 = 2,163.92 : x
  2. Step 2: Convert to fraction form
    5,862.40/8,793.10 = 2,163.92/x
  3. Step 3: Cross multiply
    5,862.40x = 8,793.10 × 2,163.92
  4. Step 4: Simplify right side
    5,862.40x = 19,027,564.95
  5. Step 5: Solve for x
    x = 19,027,564.95/5,862.40
  6. Step 6: Final answer
    x = 3,245.70

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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.