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Finding the Fourth Proportional to 3,699.41, 5,551.85 and 1,751.61

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Solution

The fourth proportional to 3,699.41, 5,551.85 and 1,751.61 is: 2,628.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.41 : 5,551.85 = 1,751.61 : x
  2. Step 2: Convert to fraction form
    3,699.41/5,551.85 = 1,751.61/x
  3. Step 3: Cross multiply
    3,699.41x = 5,551.85 × 1,751.61
  4. Step 4: Simplify right side
    3,699.41x = 9,724,667.22
  5. Step 5: Solve for x
    x = 9,724,667.22/3,699.41
  6. Step 6: Final answer
    x = 2,628.71

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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.