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Finding the Fourth Proportional to 8,793.60, 13,192.38 and 2,950.80

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Solution

The fourth proportional to 8,793.60, 13,192.38 and 2,950.80 is: 4,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.60 : 13,192.38 = 2,950.80 : x
  2. Step 2: Convert to fraction form
    8,793.60/13,192.38 = 2,950.80/x
  3. Step 3: Cross multiply
    8,793.60x = 13,192.38 × 2,950.80
  4. Step 4: Simplify right side
    8,793.60x = 38,928,074.90
  5. Step 5: Solve for x
    x = 38,928,074.90/8,793.60
  6. Step 6: Final answer
    x = 4,426.86

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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.