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Finding the Fourth Proportional to 6,936.99, 9,573.03 and 3,793.20

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Solution

The fourth proportional to 6,936.99, 9,573.03 and 3,793.20 is: 5,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.99 : 9,573.03 = 3,793.20 : x
  2. Step 2: Convert to fraction form
    6,936.99/9,573.03 = 3,793.20/x
  3. Step 3: Cross multiply
    6,936.99x = 9,573.03 × 3,793.20
  4. Step 4: Simplify right side
    6,936.99x = 36,312,417.40
  5. Step 5: Solve for x
    x = 36,312,417.40/6,936.99
  6. Step 6: Final answer
    x = 5,234.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.