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Finding the Fourth Proportional to 2,008.06, 3,011.72 and 546.89

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Solution

The fourth proportional to 2,008.06, 3,011.72 and 546.89 is: 820.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,008.06 : 3,011.72 = 546.89 : x
  2. Step 2: Convert to fraction form
    2,008.06/3,011.72 = 546.89/x
  3. Step 3: Cross multiply
    2,008.06x = 3,011.72 × 546.89
  4. Step 4: Simplify right side
    2,008.06x = 1,647,061.76
  5. Step 5: Solve for x
    x = 1,647,061.76/2,008.06
  6. Step 6: Final answer
    x = 820.23

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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.