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Finding the Fourth Proportional to 8,336.84, 12,478.62 and 5,960.84

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Solution

The fourth proportional to 8,336.84, 12,478.62 and 5,960.84 is: 8,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,336.84 : 12,478.62 = 5,960.84 : x
  2. Step 2: Convert to fraction form
    8,336.84/12,478.62 = 5,960.84/x
  3. Step 3: Cross multiply
    8,336.84x = 12,478.62 × 5,960.84
  4. Step 4: Simplify right side
    8,336.84x = 74,383,057.24
  5. Step 5: Solve for x
    x = 74,383,057.24/8,336.84
  6. Step 6: Final answer
    x = 8,922.21

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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.