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Finding the Fourth Proportional to 29,112, 40,181.04 and 18,499.56

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Solution

The fourth proportional to 29,112, 40,181.04 and 18,499.56 is: 25,533.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,112 : 40,181.04 = 18,499.56 : x
  2. Step 2: Convert to fraction form
    29,112/40,181.04 = 18,499.56/x
  3. Step 3: Cross multiply
    29,112x = 40,181.04 × 18,499.56
  4. Step 4: Simplify right side
    29,112x = 743,331,560.34
  5. Step 5: Solve for x
    x = 743,331,560.34/29,112
  6. Step 6: Final answer
    x = 25,533.51

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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.