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Finding the Fourth Proportional to 11,751.73, 17,627.31 and 2,867.12

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Solution

The fourth proportional to 11,751.73, 17,627.31 and 2,867.12 is: 4,300.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,751.73 : 17,627.31 = 2,867.12 : x
  2. Step 2: Convert to fraction form
    11,751.73/17,627.31 = 2,867.12/x
  3. Step 3: Cross multiply
    11,751.73x = 17,627.31 × 2,867.12
  4. Step 4: Simplify right side
    11,751.73x = 50,539,690.17
  5. Step 5: Solve for x
    x = 50,539,690.17/11,751.73
  6. Step 6: Final answer
    x = 4,300.62

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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.