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Finding the Fourth Proportional to 3,003.48, 4,509 and 2,182.68

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Solution

The fourth proportional to 3,003.48, 4,509 and 2,182.68 is: 3,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.48 : 4,509 = 2,182.68 : x
  2. Step 2: Convert to fraction form
    3,003.48/4,509 = 2,182.68/x
  3. Step 3: Cross multiply
    3,003.48x = 4,509 × 2,182.68
  4. Step 4: Simplify right side
    3,003.48x = 9,841,704.12
  5. Step 5: Solve for x
    x = 9,841,704.12/3,003.48
  6. Step 6: Final answer
    x = 3,276.77

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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.