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Finding the Fourth Proportional to 29,110.40, 43,568.40 and 25,611.20

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Solution

The fourth proportional to 29,110.40, 43,568.40 and 25,611.20 is: 38,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,110.40 : 43,568.40 = 25,611.20 : x
  2. Step 2: Convert to fraction form
    29,110.40/43,568.40 = 25,611.20/x
  3. Step 3: Cross multiply
    29,110.40x = 43,568.40 × 25,611.20
  4. Step 4: Simplify right side
    29,110.40x = 1,115,839,006.08
  5. Step 5: Solve for x
    x = 1,115,839,006.08/29,110.40
  6. Step 6: Final answer
    x = 38,331.28

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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.