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Finding the Fourth Proportional to 16,425.34, 22,640.34 and 12,834.02

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Solution

The fourth proportional to 16,425.34, 22,640.34 and 12,834.02 is: 17,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,425.34 : 22,640.34 = 12,834.02 : x
  2. Step 2: Convert to fraction form
    16,425.34/22,640.34 = 12,834.02/x
  3. Step 3: Cross multiply
    16,425.34x = 22,640.34 × 12,834.02
  4. Step 4: Simplify right side
    16,425.34x = 290,566,576.37
  5. Step 5: Solve for x
    x = 290,566,576.37/16,425.34
  6. Step 6: Final answer
    x = 17,690.14

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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.