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Finding the Fourth Proportional to 4,687.69, 6,469.46 and 2,699.41

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Solution

The fourth proportional to 4,687.69, 6,469.46 and 2,699.41 is: 3,725.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.69 : 6,469.46 = 2,699.41 : x
  2. Step 2: Convert to fraction form
    4,687.69/6,469.46 = 2,699.41/x
  3. Step 3: Cross multiply
    4,687.69x = 6,469.46 × 2,699.41
  4. Step 4: Simplify right side
    4,687.69x = 17,463,725.02
  5. Step 5: Solve for x
    x = 17,463,725.02/4,687.69
  6. Step 6: Final answer
    x = 3,725.44

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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.