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Finding the Fourth Proportional to 8,195.60, 12,292.20 and 2,351.60

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Solution

The fourth proportional to 8,195.60, 12,292.20 and 2,351.60 is: 3,527.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.60 : 12,292.20 = 2,351.60 : x
  2. Step 2: Convert to fraction form
    8,195.60/12,292.20 = 2,351.60/x
  3. Step 3: Cross multiply
    8,195.60x = 12,292.20 × 2,351.60
  4. Step 4: Simplify right side
    8,195.60x = 28,906,337.52
  5. Step 5: Solve for x
    x = 28,906,337.52/8,195.60
  6. Step 6: Final answer
    x = 3,527.06

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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.