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Finding the Fourth Proportional to 35,481.78, 48,964.26 and 19,567.68

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Solution

The fourth proportional to 35,481.78, 48,964.26 and 19,567.68 is: 27,003.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,481.78 : 48,964.26 = 19,567.68 : x
  2. Step 2: Convert to fraction form
    35,481.78/48,964.26 = 19,567.68/x
  3. Step 3: Cross multiply
    35,481.78x = 48,964.26 × 19,567.68
  4. Step 4: Simplify right side
    35,481.78x = 958,116,971.12
  5. Step 5: Solve for x
    x = 958,116,971.12/35,481.78
  6. Step 6: Final answer
    x = 27,003.07

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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.