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Finding the Fourth Proportional to 29,373.69, 40,522.27 and 20,442.49

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Solution

The fourth proportional to 29,373.69, 40,522.27 and 20,442.49 is: 28,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,373.69 : 40,522.27 = 20,442.49 : x
  2. Step 2: Convert to fraction form
    29,373.69/40,522.27 = 20,442.49/x
  3. Step 3: Cross multiply
    29,373.69x = 40,522.27 × 20,442.49
  4. Step 4: Simplify right side
    29,373.69x = 828,375,997.04
  5. Step 5: Solve for x
    x = 828,375,997.04/29,373.69
  6. Step 6: Final answer
    x = 28,201.29

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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.