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Finding the Fourth Proportional to 6,563.40, 9,833.96 and 3,960.88

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Solution

The fourth proportional to 6,563.40, 9,833.96 and 3,960.88 is: 5,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,563.40 : 9,833.96 = 3,960.88 : x
  2. Step 2: Convert to fraction form
    6,563.40/9,833.96 = 3,960.88/x
  3. Step 3: Cross multiply
    6,563.40x = 9,833.96 × 3,960.88
  4. Step 4: Simplify right side
    6,563.40x = 38,951,135.48
  5. Step 5: Solve for x
    x = 38,951,135.48/6,563.40
  6. Step 6: Final answer
    x = 5,934.60

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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.