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Finding the Fourth Proportional to 6,563.78, 9,839.46 and 2,617.47

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Solution

The fourth proportional to 6,563.78, 9,839.46 and 2,617.47 is: 3,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,563.78 : 9,839.46 = 2,617.47 : x
  2. Step 2: Convert to fraction form
    6,563.78/9,839.46 = 2,617.47/x
  3. Step 3: Cross multiply
    6,563.78x = 9,839.46 × 2,617.47
  4. Step 4: Simplify right side
    6,563.78x = 25,754,491.37
  5. Step 5: Solve for x
    x = 25,754,491.37/6,563.78
  6. Step 6: Final answer
    x = 3,923.73

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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.