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Finding the Fourth Proportional to 45,377, 68,065.50 and 17,694.44

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Solution

The fourth proportional to 45,377, 68,065.50 and 17,694.44 is: 26,541.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,377 : 68,065.50 = 17,694.44 : x
  2. Step 2: Convert to fraction form
    45,377/68,065.50 = 17,694.44/x
  3. Step 3: Cross multiply
    45,377x = 68,065.50 × 17,694.44
  4. Step 4: Simplify right side
    45,377x = 1,204,380,905.82
  5. Step 5: Solve for x
    x = 1,204,380,905.82/45,377
  6. Step 6: Final answer
    x = 26,541.66

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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.