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Finding the Fourth Proportional to 35,884.60, 53,805.30 and 18,388.60

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Solution

The fourth proportional to 35,884.60, 53,805.30 and 18,388.60 is: 27,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,884.60 : 53,805.30 = 18,388.60 : x
  2. Step 2: Convert to fraction form
    35,884.60/53,805.30 = 18,388.60/x
  3. Step 3: Cross multiply
    35,884.60x = 53,805.30 × 18,388.60
  4. Step 4: Simplify right side
    35,884.60x = 989,404,139.58
  5. Step 5: Solve for x
    x = 989,404,139.58/35,884.60
  6. Step 6: Final answer
    x = 27,571.83

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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.