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Finding the Fourth Proportional to 23,274.03, 34,890.54 and 9,243.90

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Solution

The fourth proportional to 23,274.03, 34,890.54 and 9,243.90 is: 13,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,274.03 : 34,890.54 = 9,243.90 : x
  2. Step 2: Convert to fraction form
    23,274.03/34,890.54 = 9,243.90/x
  3. Step 3: Cross multiply
    23,274.03x = 34,890.54 × 9,243.90
  4. Step 4: Simplify right side
    23,274.03x = 322,524,662.71
  5. Step 5: Solve for x
    x = 322,524,662.71/23,274.03
  6. Step 6: Final answer
    x = 13,857.71

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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.