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Finding the Fourth Proportional to 6,168, 9,253.60 and 2,008.72

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Solution

The fourth proportional to 6,168, 9,253.60 and 2,008.72 is: 3,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168 : 9,253.60 = 2,008.72 : x
  2. Step 2: Convert to fraction form
    6,168/9,253.60 = 2,008.72/x
  3. Step 3: Cross multiply
    6,168x = 9,253.60 × 2,008.72
  4. Step 4: Simplify right side
    6,168x = 18,587,891.39
  5. Step 5: Solve for x
    x = 18,587,891.39/6,168
  6. Step 6: Final answer
    x = 3,013.60

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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.