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Finding the Fourth Proportional to 45,396, 68,093.52 and 17,713.44

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Solution

The fourth proportional to 45,396, 68,093.52 and 17,713.44 is: 26,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,396 : 68,093.52 = 17,713.44 : x
  2. Step 2: Convert to fraction form
    45,396/68,093.52 = 17,713.44/x
  3. Step 3: Cross multiply
    45,396x = 68,093.52 × 17,713.44
  4. Step 4: Simplify right side
    45,396x = 1,206,170,480.91
  5. Step 5: Solve for x
    x = 1,206,170,480.91/45,396
  6. Step 6: Final answer
    x = 26,569.97

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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.