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Finding the Fourth Proportional to 4,903.59, 6,759.81 and 3,722.61

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Solution

The fourth proportional to 4,903.59, 6,759.81 and 3,722.61 is: 5,131.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,903.59 : 6,759.81 = 3,722.61 : x
  2. Step 2: Convert to fraction form
    4,903.59/6,759.81 = 3,722.61/x
  3. Step 3: Cross multiply
    4,903.59x = 6,759.81 × 3,722.61
  4. Step 4: Simplify right side
    4,903.59x = 25,164,136.30
  5. Step 5: Solve for x
    x = 25,164,136.30/4,903.59
  6. Step 6: Final answer
    x = 5,131.78

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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.