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Finding the Fourth Proportional to 16,090.11, 22,205.78 and 9,018.03

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Solution

The fourth proportional to 16,090.11, 22,205.78 and 9,018.03 is: 12,445.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,090.11 : 22,205.78 = 9,018.03 : x
  2. Step 2: Convert to fraction form
    16,090.11/22,205.78 = 9,018.03/x
  3. Step 3: Cross multiply
    16,090.11x = 22,205.78 × 9,018.03
  4. Step 4: Simplify right side
    16,090.11x = 200,252,345.12
  5. Step 5: Solve for x
    x = 200,252,345.12/16,090.11
  6. Step 6: Final answer
    x = 12,445.68

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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.