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Finding the Fourth Proportional to 17,114.52, 25,671 and 12,123.96

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Solution

The fourth proportional to 17,114.52, 25,671 and 12,123.96 is: 18,185.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,114.52 : 25,671 = 12,123.96 : x
  2. Step 2: Convert to fraction form
    17,114.52/25,671 = 12,123.96/x
  3. Step 3: Cross multiply
    17,114.52x = 25,671 × 12,123.96
  4. Step 4: Simplify right side
    17,114.52x = 311,234,177.16
  5. Step 5: Solve for x
    x = 311,234,177.16/17,114.52
  6. Step 6: Final answer
    x = 18,185.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.