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Finding the Fourth Proportional to 19,372.43, 29,049.07 and 6,890.60

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Solution

The fourth proportional to 19,372.43, 29,049.07 and 6,890.60 is: 10,332.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,372.43 : 29,049.07 = 6,890.60 : x
  2. Step 2: Convert to fraction form
    19,372.43/29,049.07 = 6,890.60/x
  3. Step 3: Cross multiply
    19,372.43x = 29,049.07 × 6,890.60
  4. Step 4: Simplify right side
    19,372.43x = 200,165,521.74
  5. Step 5: Solve for x
    x = 200,165,521.74/19,372.43
  6. Step 6: Final answer
    x = 10,332.49

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