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Finding the Fourth Proportional to 3,608.46, 4,983.04 and 2,655.90

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Solution

The fourth proportional to 3,608.46, 4,983.04 and 2,655.90 is: 3,667.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.46 : 4,983.04 = 2,655.90 : x
  2. Step 2: Convert to fraction form
    3,608.46/4,983.04 = 2,655.90/x
  3. Step 3: Cross multiply
    3,608.46x = 4,983.04 × 2,655.90
  4. Step 4: Simplify right side
    3,608.46x = 13,234,455.94
  5. Step 5: Solve for x
    x = 13,234,455.94/3,608.46
  6. Step 6: Final answer
    x = 3,667.62

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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.