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Finding the Fourth Proportional to 5,661.92, 8,496.22 and 2,154.88

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Solution

The fourth proportional to 5,661.92, 8,496.22 and 2,154.88 is: 3,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,661.92 : 8,496.22 = 2,154.88 : x
  2. Step 2: Convert to fraction form
    5,661.92/8,496.22 = 2,154.88/x
  3. Step 3: Cross multiply
    5,661.92x = 8,496.22 × 2,154.88
  4. Step 4: Simplify right side
    5,661.92x = 18,308,320.69
  5. Step 5: Solve for x
    x = 18,308,320.69/5,661.92
  6. Step 6: Final answer
    x = 3,233.59

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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.