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Finding the Fourth Proportional to 45,793.82, 68,686.47 and 17,696.94

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Solution

The fourth proportional to 45,793.82, 68,686.47 and 17,696.94 is: 26,543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,793.82 : 68,686.47 = 17,696.94 : x
  2. Step 2: Convert to fraction form
    45,793.82/68,686.47 = 17,696.94/x
  3. Step 3: Cross multiply
    45,793.82x = 68,686.47 × 17,696.94
  4. Step 4: Simplify right side
    45,793.82x = 1,215,540,338.40
  5. Step 5: Solve for x
    x = 1,215,540,338.40/45,793.82
  6. Step 6: Final answer
    x = 26,543.77

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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.