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Finding the Fourth Proportional to 4,489.82, 6,735.81 and 1,411.82

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Solution

The fourth proportional to 4,489.82, 6,735.81 and 1,411.82 is: 2,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489.82 : 6,735.81 = 1,411.82 : x
  2. Step 2: Convert to fraction form
    4,489.82/6,735.81 = 1,411.82/x
  3. Step 3: Cross multiply
    4,489.82x = 6,735.81 × 1,411.82
  4. Step 4: Simplify right side
    4,489.82x = 9,509,751.27
  5. Step 5: Solve for x
    x = 9,509,751.27/4,489.82
  6. Step 6: Final answer
    x = 2,118.07

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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.