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Finding the Fourth Proportional to 11,888.43, 17,832.61 and 3,568.42

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Solution

The fourth proportional to 11,888.43, 17,832.61 and 3,568.42 is: 5,352.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888.43 : 17,832.61 = 3,568.42 : x
  2. Step 2: Convert to fraction form
    11,888.43/17,832.61 = 3,568.42/x
  3. Step 3: Cross multiply
    11,888.43x = 17,832.61 × 3,568.42
  4. Step 4: Simplify right side
    11,888.43x = 63,634,242.18
  5. Step 5: Solve for x
    x = 63,634,242.18/11,888.43
  6. Step 6: Final answer
    x = 5,352.62

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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.