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Finding the Fourth Proportional to 5,687.46, 7,849.17 and 3,563.10

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Solution

The fourth proportional to 5,687.46, 7,849.17 and 3,563.10 is: 4,917.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.46 : 7,849.17 = 3,563.10 : x
  2. Step 2: Convert to fraction form
    5,687.46/7,849.17 = 3,563.10/x
  3. Step 3: Cross multiply
    5,687.46x = 7,849.17 × 3,563.10
  4. Step 4: Simplify right side
    5,687.46x = 27,967,377.63
  5. Step 5: Solve for x
    x = 27,967,377.63/5,687.46
  6. Step 6: Final answer
    x = 4,917.38

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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.