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Finding the Fourth Proportional to 64,008.40, 95,969.40 and 34,027.60

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Solution

The fourth proportional to 64,008.40, 95,969.40 and 34,027.60 is: 51,018.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,008.40 : 95,969.40 = 34,027.60 : x
  2. Step 2: Convert to fraction form
    64,008.40/95,969.40 = 34,027.60/x
  3. Step 3: Cross multiply
    64,008.40x = 95,969.40 × 34,027.60
  4. Step 4: Simplify right side
    64,008.40x = 3,265,608,355.44
  5. Step 5: Solve for x
    x = 3,265,608,355.44/64,008.40
  6. Step 6: Final answer
    x = 51,018.43

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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.