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Finding the Fourth Proportional to 29,722.96, 41,009.52 and 18,387.01

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Solution

The fourth proportional to 29,722.96, 41,009.52 and 18,387.01 is: 25,369.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,722.96 : 41,009.52 = 18,387.01 : x
  2. Step 2: Convert to fraction form
    29,722.96/41,009.52 = 18,387.01/x
  3. Step 3: Cross multiply
    29,722.96x = 41,009.52 × 18,387.01
  4. Step 4: Simplify right side
    29,722.96x = 754,042,454.34
  5. Step 5: Solve for x
    x = 754,042,454.34/29,722.96
  6. Step 6: Final answer
    x = 25,369.02

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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.