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Finding the Fourth Proportional to 34,481.84, 51,685.97 and 19,658.84

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Solution

The fourth proportional to 34,481.84, 51,685.97 and 19,658.84 is: 29,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,481.84 : 51,685.97 = 19,658.84 : x
  2. Step 2: Convert to fraction form
    34,481.84/51,685.97 = 19,658.84/x
  3. Step 3: Cross multiply
    34,481.84x = 51,685.97 × 19,658.84
  4. Step 4: Simplify right side
    34,481.84x = 1,016,085,857.75
  5. Step 5: Solve for x
    x = 1,016,085,857.75/34,481.84
  6. Step 6: Final answer
    x = 29,467.28

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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.