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Finding the Fourth Proportional to 35,636.33, 53,474.07 and 18,107.66

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Solution

The fourth proportional to 35,636.33, 53,474.07 and 18,107.66 is: 27,171.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,636.33 : 53,474.07 = 18,107.66 : x
  2. Step 2: Convert to fraction form
    35,636.33/53,474.07 = 18,107.66/x
  3. Step 3: Cross multiply
    35,636.33x = 53,474.07 × 18,107.66
  4. Step 4: Simplify right side
    35,636.33x = 968,290,278.38
  5. Step 5: Solve for x
    x = 968,290,278.38/35,636.33
  6. Step 6: Final answer
    x = 27,171.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.