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Finding the Fourth Proportional to 7,654.62, 11,481.12 and 2,460.09

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Solution

The fourth proportional to 7,654.62, 11,481.12 and 2,460.09 is: 3,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,654.62 : 11,481.12 = 2,460.09 : x
  2. Step 2: Convert to fraction form
    7,654.62/11,481.12 = 2,460.09/x
  3. Step 3: Cross multiply
    7,654.62x = 11,481.12 × 2,460.09
  4. Step 4: Simplify right side
    7,654.62x = 28,244,588.50
  5. Step 5: Solve for x
    x = 28,244,588.50/7,654.62
  6. Step 6: Final answer
    x = 3,689.87

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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.