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Finding the Fourth Proportional to 11,958.84, 17,932.17 and 6,339.60

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Solution

The fourth proportional to 11,958.84, 17,932.17 and 6,339.60 is: 9,506.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,958.84 : 17,932.17 = 6,339.60 : x
  2. Step 2: Convert to fraction form
    11,958.84/17,932.17 = 6,339.60/x
  3. Step 3: Cross multiply
    11,958.84x = 17,932.17 × 6,339.60
  4. Step 4: Simplify right side
    11,958.84x = 113,682,784.93
  5. Step 5: Solve for x
    x = 113,682,784.93/11,958.84
  6. Step 6: Final answer
    x = 9,506.17

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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.