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Finding the Fourth Proportional to 23,869.80, 35,805.41 and 11,391.15

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Solution

The fourth proportional to 23,869.80, 35,805.41 and 11,391.15 is: 17,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,869.80 : 35,805.41 = 11,391.15 : x
  2. Step 2: Convert to fraction form
    23,869.80/35,805.41 = 11,391.15/x
  3. Step 3: Cross multiply
    23,869.80x = 35,805.41 × 11,391.15
  4. Step 4: Simplify right side
    23,869.80x = 407,864,739.17
  5. Step 5: Solve for x
    x = 407,864,739.17/23,869.80
  6. Step 6: Final answer
    x = 17,087.06

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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.