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Finding the Fourth Proportional to 8,294.88, 12,443.58 and 2,749.62

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Solution

The fourth proportional to 8,294.88, 12,443.58 and 2,749.62 is: 4,124.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,294.88 : 12,443.58 = 2,749.62 : x
  2. Step 2: Convert to fraction form
    8,294.88/12,443.58 = 2,749.62/x
  3. Step 3: Cross multiply
    8,294.88x = 12,443.58 × 2,749.62
  4. Step 4: Simplify right side
    8,294.88x = 34,215,116.44
  5. Step 5: Solve for x
    x = 34,215,116.44/8,294.88
  6. Step 6: Final answer
    x = 4,124.85

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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.