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Finding the Fourth Proportional to 5,955.48, 8,209.62 and 3,961.80

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Solution

The fourth proportional to 5,955.48, 8,209.62 and 3,961.80 is: 5,461.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,955.48 : 8,209.62 = 3,961.80 : x
  2. Step 2: Convert to fraction form
    5,955.48/8,209.62 = 3,961.80/x
  3. Step 3: Cross multiply
    5,955.48x = 8,209.62 × 3,961.80
  4. Step 4: Simplify right side
    5,955.48x = 32,524,872.52
  5. Step 5: Solve for x
    x = 32,524,872.52/5,955.48
  6. Step 6: Final answer
    x = 5,461.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.