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Finding the Fourth Proportional to 4,687.34, 6,469 and 2,697.98

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Solution

The fourth proportional to 4,687.34, 6,469 and 2,697.98 is: 3,723.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.34 : 6,469 = 2,697.98 : x
  2. Step 2: Convert to fraction form
    4,687.34/6,469 = 2,697.98/x
  3. Step 3: Cross multiply
    4,687.34x = 6,469 × 2,697.98
  4. Step 4: Simplify right side
    4,687.34x = 17,453,232.62
  5. Step 5: Solve for x
    x = 17,453,232.62/4,687.34
  6. Step 6: Final answer
    x = 3,723.48

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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.