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Finding the Fourth Proportional to 3,324, 4,585.50 and 2,661.69

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Solution

The fourth proportional to 3,324, 4,585.50 and 2,661.69 is: 3,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,324 : 4,585.50 = 2,661.69 : x
  2. Step 2: Convert to fraction form
    3,324/4,585.50 = 2,661.69/x
  3. Step 3: Cross multiply
    3,324x = 4,585.50 × 2,661.69
  4. Step 4: Simplify right side
    3,324x = 12,205,179.50
  5. Step 5: Solve for x
    x = 12,205,179.50/3,324
  6. Step 6: Final answer
    x = 3,671.83

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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.