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Finding the Fourth Proportional to 5,932.65, 8,186.80 and 3,243.82

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Solution

The fourth proportional to 5,932.65, 8,186.80 and 3,243.82 is: 4,476.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,932.65 : 8,186.80 = 3,243.82 : x
  2. Step 2: Convert to fraction form
    5,932.65/8,186.80 = 3,243.82/x
  3. Step 3: Cross multiply
    5,932.65x = 8,186.80 × 3,243.82
  4. Step 4: Simplify right side
    5,932.65x = 26,556,505.58
  5. Step 5: Solve for x
    x = 26,556,505.58/5,932.65
  6. Step 6: Final answer
    x = 4,476.33

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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.