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Finding the Fourth Proportional to 29,110.88, 40,141.23 and 19,663.04

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Solution

The fourth proportional to 29,110.88, 40,141.23 and 19,663.04 is: 27,113.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,110.88 : 40,141.23 = 19,663.04 : x
  2. Step 2: Convert to fraction form
    29,110.88/40,141.23 = 19,663.04/x
  3. Step 3: Cross multiply
    29,110.88x = 40,141.23 × 19,663.04
  4. Step 4: Simplify right side
    29,110.88x = 789,298,611.14
  5. Step 5: Solve for x
    x = 789,298,611.14/29,110.88
  6. Step 6: Final answer
    x = 27,113.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.