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Finding the Fourth Proportional to 12,194.76, 18,292.18 and 2,960.76

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Solution

The fourth proportional to 12,194.76, 18,292.18 and 2,960.76 is: 4,441.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,194.76 : 18,292.18 = 2,960.76 : x
  2. Step 2: Convert to fraction form
    12,194.76/18,292.18 = 2,960.76/x
  3. Step 3: Cross multiply
    12,194.76x = 18,292.18 × 2,960.76
  4. Step 4: Simplify right side
    12,194.76x = 54,158,754.86
  5. Step 5: Solve for x
    x = 54,158,754.86/12,194.76
  6. Step 6: Final answer
    x = 4,441.15

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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.