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Finding the Fourth Proportional to 16,167.79, 22,311.32 and 9,094.21

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Solution

The fourth proportional to 16,167.79, 22,311.32 and 9,094.21 is: 12,549.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,167.79 : 22,311.32 = 9,094.21 : x
  2. Step 2: Convert to fraction form
    16,167.79/22,311.32 = 9,094.21/x
  3. Step 3: Cross multiply
    16,167.79x = 22,311.32 × 9,094.21
  4. Step 4: Simplify right side
    16,167.79x = 202,903,672.43
  5. Step 5: Solve for x
    x = 202,903,672.43/16,167.79
  6. Step 6: Final answer
    x = 12,549.87

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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.