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Finding the Fourth Proportional to 34,811.87, 48,040.11 and 18,896.00

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Solution

The fourth proportional to 34,811.87, 48,040.11 and 18,896.00 is: 26,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,811.87 : 48,040.11 = 18,896.00 : x
  2. Step 2: Convert to fraction form
    34,811.87/48,040.11 = 18,896.00/x
  3. Step 3: Cross multiply
    34,811.87x = 48,040.11 × 18,896.00
  4. Step 4: Simplify right side
    34,811.87x = 907,765,678.36
  5. Step 5: Solve for x
    x = 907,765,678.36/34,811.87
  6. Step 6: Final answer
    x = 26,076.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.