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Finding the Fourth Proportional to 2,007.26, 3,010.86 and 546.40

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Solution

The fourth proportional to 2,007.26, 3,010.86 and 546.40 is: 819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,007.26 : 3,010.86 = 546.40 : x
  2. Step 2: Convert to fraction form
    2,007.26/3,010.86 = 546.40/x
  3. Step 3: Cross multiply
    2,007.26x = 3,010.86 × 546.40
  4. Step 4: Simplify right side
    2,007.26x = 1,645,133.90
  5. Step 5: Solve for x
    x = 1,645,133.90/2,007.26
  6. Step 6: Final answer
    x = 819.59

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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.