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Finding the Fourth Proportional to 2,007.25, 3,010.92 and 546.42

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Solution

The fourth proportional to 2,007.25, 3,010.92 and 546.42 is: 819.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.25 : 3,010.92 = 546.42 : x
  2. Step 2: Convert to fraction form
    2,007.25/3,010.92 = 546.42/x
  3. Step 3: Cross multiply
    2,007.25x = 3,010.92 × 546.42
  4. Step 4: Simplify right side
    2,007.25x = 1,645,226.91
  5. Step 5: Solve for x
    x = 1,645,226.91/2,007.25
  6. Step 6: Final answer
    x = 819.64

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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.