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Finding the Fourth Proportional to 8,793.14, 13,190.12 and 4,894.61

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Solution

The fourth proportional to 8,793.14, 13,190.12 and 4,894.61 is: 7,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.14 : 13,190.12 = 4,894.61 : x
  2. Step 2: Convert to fraction form
    8,793.14/13,190.12 = 4,894.61/x
  3. Step 3: Cross multiply
    8,793.14x = 13,190.12 × 4,894.61
  4. Step 4: Simplify right side
    8,793.14x = 64,560,468.78
  5. Step 5: Solve for x
    x = 64,560,468.78/8,793.14
  6. Step 6: Final answer
    x = 7,342.14

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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.