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Finding the Fourth Proportional to 3,664.73, 5,494.01 and 2,491.45

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Solution

The fourth proportional to 3,664.73, 5,494.01 and 2,491.45 is: 3,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,664.73 : 5,494.01 = 2,491.45 : x
  2. Step 2: Convert to fraction form
    3,664.73/5,494.01 = 2,491.45/x
  3. Step 3: Cross multiply
    3,664.73x = 5,494.01 × 2,491.45
  4. Step 4: Simplify right side
    3,664.73x = 13,688,039.04
  5. Step 5: Solve for x
    x = 13,688,039.04/3,664.73
  6. Step 6: Final answer
    x = 3,735.07

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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.