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Finding the Fourth Proportional to 29,174.40, 43,664.40 and 25,675.20

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Solution

The fourth proportional to 29,174.40, 43,664.40 and 25,675.20 is: 38,427.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,174.40 : 43,664.40 = 25,675.20 : x
  2. Step 2: Convert to fraction form
    29,174.40/43,664.40 = 25,675.20/x
  3. Step 3: Cross multiply
    29,174.40x = 43,664.40 × 25,675.20
  4. Step 4: Simplify right side
    29,174.40x = 1,121,092,202.88
  5. Step 5: Solve for x
    x = 1,121,092,202.88/29,174.40
  6. Step 6: Final answer
    x = 38,427.26

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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.