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Finding the Fourth Proportional to 6,563.28, 9,057.28 and 3,579.10

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Solution

The fourth proportional to 6,563.28, 9,057.28 and 3,579.10 is: 4,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,563.28 : 9,057.28 = 3,579.10 : x
  2. Step 2: Convert to fraction form
    6,563.28/9,057.28 = 3,579.10/x
  3. Step 3: Cross multiply
    6,563.28x = 9,057.28 × 3,579.10
  4. Step 4: Simplify right side
    6,563.28x = 32,416,910.85
  5. Step 5: Solve for x
    x = 32,416,910.85/6,563.28
  6. Step 6: Final answer
    x = 4,939.13

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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.