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Finding the Fourth Proportional to 6,563.68, 9,057.68 and 3,579.56

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Solution

The fourth proportional to 6,563.68, 9,057.68 and 3,579.56 is: 4,939.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,563.68 : 9,057.68 = 3,579.56 : x
  2. Step 2: Convert to fraction form
    6,563.68/9,057.68 = 3,579.56/x
  3. Step 3: Cross multiply
    6,563.68x = 9,057.68 × 3,579.56
  4. Step 4: Simplify right side
    6,563.68x = 32,422,509.02
  5. Step 5: Solve for x
    x = 32,422,509.02/6,563.68
  6. Step 6: Final answer
    x = 4,939.68

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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.