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Finding the Fourth Proportional to 12,500.29, 17,239.21 and 10,372.44

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Solution

The fourth proportional to 12,500.29, 17,239.21 and 10,372.44 is: 14,304.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.29 : 17,239.21 = 10,372.44 : x
  2. Step 2: Convert to fraction form
    12,500.29/17,239.21 = 10,372.44/x
  3. Step 3: Cross multiply
    12,500.29x = 17,239.21 × 10,372.44
  4. Step 4: Simplify right side
    12,500.29x = 178,812,671.37
  5. Step 5: Solve for x
    x = 178,812,671.37/12,500.29
  6. Step 6: Final answer
    x = 14,304.68

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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.