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Finding the Fourth Proportional to 6,141.88, 9,222.04 and 3,687.68

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Solution

The fourth proportional to 6,141.88, 9,222.04 and 3,687.68 is: 5,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,141.88 : 9,222.04 = 3,687.68 : x
  2. Step 2: Convert to fraction form
    6,141.88/9,222.04 = 3,687.68/x
  3. Step 3: Cross multiply
    6,141.88x = 9,222.04 × 3,687.68
  4. Step 4: Simplify right side
    6,141.88x = 34,007,932.47
  5. Step 5: Solve for x
    x = 34,007,932.47/6,141.88
  6. Step 6: Final answer
    x = 5,537.06

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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.