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Finding the Fourth Proportional to 4,581, 6,872.82 and 2,634.60

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Solution

The fourth proportional to 4,581, 6,872.82 and 2,634.60 is: 3,952.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581 : 6,872.82 = 2,634.60 : x
  2. Step 2: Convert to fraction form
    4,581/6,872.82 = 2,634.60/x
  3. Step 3: Cross multiply
    4,581x = 6,872.82 × 2,634.60
  4. Step 4: Simplify right side
    4,581x = 18,107,131.57
  5. Step 5: Solve for x
    x = 18,107,131.57/4,581
  6. Step 6: Final answer
    x = 3,952.66

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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.