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Finding the Fourth Proportional to 23,991.54, 35,989.71 and 7,351.38

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Solution

The fourth proportional to 23,991.54, 35,989.71 and 7,351.38 is: 11,027.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991.54 : 35,989.71 = 7,351.38 : x
  2. Step 2: Convert to fraction form
    23,991.54/35,989.71 = 7,351.38/x
  3. Step 3: Cross multiply
    23,991.54x = 35,989.71 × 7,351.38
  4. Step 4: Simplify right side
    23,991.54x = 264,574,034.30
  5. Step 5: Solve for x
    x = 264,574,034.30/23,991.54
  6. Step 6: Final answer
    x = 11,027.81

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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.