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Finding the Fourth Proportional to 3,605.59, 5,410.11 and 1,632.61

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Solution

The fourth proportional to 3,605.59, 5,410.11 and 1,632.61 is: 2,449.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.59 : 5,410.11 = 1,632.61 : x
  2. Step 2: Convert to fraction form
    3,605.59/5,410.11 = 1,632.61/x
  3. Step 3: Cross multiply
    3,605.59x = 5,410.11 × 1,632.61
  4. Step 4: Simplify right side
    3,605.59x = 8,832,599.69
  5. Step 5: Solve for x
    x = 8,832,599.69/3,605.59
  6. Step 6: Final answer
    x = 2,449.70

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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.