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Finding the Fourth Proportional to 29,672.68, 40,942.02 and 17,092.84

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Solution

The fourth proportional to 29,672.68, 40,942.02 and 17,092.84 is: 23,584.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,672.68 : 40,942.02 = 17,092.84 : x
  2. Step 2: Convert to fraction form
    29,672.68/40,942.02 = 17,092.84/x
  3. Step 3: Cross multiply
    29,672.68x = 40,942.02 × 17,092.84
  4. Step 4: Simplify right side
    29,672.68x = 699,815,397.14
  5. Step 5: Solve for x
    x = 699,815,397.14/29,672.68
  6. Step 6: Final answer
    x = 23,584.50

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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.