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Finding the Fourth Proportional to 35,481.03, 48,964.40 and 19,564.53

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Solution

The fourth proportional to 35,481.03, 48,964.40 and 19,564.53 is: 26,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,481.03 : 48,964.40 = 19,564.53 : x
  2. Step 2: Convert to fraction form
    35,481.03/48,964.40 = 19,564.53/x
  3. Step 3: Cross multiply
    35,481.03x = 48,964.40 × 19,564.53
  4. Step 4: Simplify right side
    35,481.03x = 957,965,472.73
  5. Step 5: Solve for x
    x = 957,965,472.73/35,481.03
  6. Step 6: Final answer
    x = 26,999.37

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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.