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Finding the Fourth Proportional to 64,010.40, 95,972.40 and 34,029.60

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Solution

The fourth proportional to 64,010.40, 95,972.40 and 34,029.60 is: 51,021.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,010.40 : 95,972.40 = 34,029.60 : x
  2. Step 2: Convert to fraction form
    64,010.40/95,972.40 = 34,029.60/x
  3. Step 3: Cross multiply
    64,010.40x = 95,972.40 × 34,029.60
  4. Step 4: Simplify right side
    64,010.40x = 3,265,902,383.04
  5. Step 5: Solve for x
    x = 3,265,902,383.04/64,010.40
  6. Step 6: Final answer
    x = 51,021.43

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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.