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Finding the Fourth Proportional to 6,168.78, 9,253.31 and 2,008.78

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Solution

The fourth proportional to 6,168.78, 9,253.31 and 2,008.78 is: 3,013.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.78 : 9,253.31 = 2,008.78 : x
  2. Step 2: Convert to fraction form
    6,168.78/9,253.31 = 2,008.78/x
  3. Step 3: Cross multiply
    6,168.78x = 9,253.31 × 2,008.78
  4. Step 4: Simplify right side
    6,168.78x = 18,587,830.88
  5. Step 5: Solve for x
    x = 18,587,830.88/6,168.78
  6. Step 6: Final answer
    x = 3,013.21

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1.5x scale

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.