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Finding the Fourth Proportional to 10,793.76, 16,189.30 and 2,896.86

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Solution

The fourth proportional to 10,793.76, 16,189.30 and 2,896.86 is: 4,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,793.76 : 16,189.30 = 2,896.86 : x
  2. Step 2: Convert to fraction form
    10,793.76/16,189.30 = 2,896.86/x
  3. Step 3: Cross multiply
    10,793.76x = 16,189.30 × 2,896.86
  4. Step 4: Simplify right side
    10,793.76x = 46,898,199.93
  5. Step 5: Solve for x
    x = 46,898,199.93/10,793.76
  6. Step 6: Final answer
    x = 4,344.94

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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.