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Finding the Fourth Proportional to 3,429.58, 5,144.37 and 832.52

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Solution

The fourth proportional to 3,429.58, 5,144.37 and 832.52 is: 1,248.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.58 : 5,144.37 = 832.52 : x
  2. Step 2: Convert to fraction form
    3,429.58/5,144.37 = 832.52/x
  3. Step 3: Cross multiply
    3,429.58x = 5,144.37 × 832.52
  4. Step 4: Simplify right side
    3,429.58x = 4,282,790.91
  5. Step 5: Solve for x
    x = 4,282,790.91/3,429.58
  6. Step 6: Final answer
    x = 1,248.78

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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.