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Finding the Fourth Proportional to 27,911.60, 41,964.60 and 23,634.80

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Solution

The fourth proportional to 27,911.60, 41,964.60 and 23,634.80 is: 35,534.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,911.60 : 41,964.60 = 23,634.80 : x
  2. Step 2: Convert to fraction form
    27,911.60/41,964.60 = 23,634.80/x
  3. Step 3: Cross multiply
    27,911.60x = 41,964.60 × 23,634.80
  4. Step 4: Simplify right side
    27,911.60x = 991,824,928.08
  5. Step 5: Solve for x
    x = 991,824,928.08/27,911.60
  6. Step 6: Final answer
    x = 35,534.51

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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.