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Finding the Fourth Proportional to 35,110.44, 48,456.90 and 20,206.44

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Solution

The fourth proportional to 35,110.44, 48,456.90 and 20,206.44 is: 27,887.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,110.44 : 48,456.90 = 20,206.44 : x
  2. Step 2: Convert to fraction form
    35,110.44/48,456.90 = 20,206.44/x
  3. Step 3: Cross multiply
    35,110.44x = 48,456.90 × 20,206.44
  4. Step 4: Simplify right side
    35,110.44x = 979,141,442.44
  5. Step 5: Solve for x
    x = 979,141,442.44/35,110.44
  6. Step 6: Final answer
    x = 27,887.47

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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.