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Finding the Fourth Proportional to 2,687.69, 3,700.58 and 2,441.64

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Solution

The fourth proportional to 2,687.69, 3,700.58 and 2,441.64 is: 3,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,687.69 : 3,700.58 = 2,441.64 : x
  2. Step 2: Convert to fraction form
    2,687.69/3,700.58 = 2,441.64/x
  3. Step 3: Cross multiply
    2,687.69x = 3,700.58 × 2,441.64
  4. Step 4: Simplify right side
    2,687.69x = 9,035,471.94
  5. Step 5: Solve for x
    x = 9,035,471.94/2,687.69
  6. Step 6: Final answer
    x = 3,361.80

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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.